ALFACELL CORP
424B3, 1998-04-27
BIOLOGICAL PRODUCTS, (NO DIAGNOSTIC SUBSTANCES)
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================================================================================
The  financial  statements  of the  Company  from  inception  to July  31,  1992
incorporated by reference into this Registration Statement,  were audited by the
independent  accounting  firm of Armus  Harrison & Co. ("Armus  Harrison").  The
accounting  firm of Armus Harrison  dissolved and ceased all operations in June,
1996.  As a result of such  dissolution,  investors  seeking to sue and  recover
damages from Armus Harrison for material misstatements or omissions,  if any, in
the Registration  Statement or Prospectus,  including the financial  statements,
may be unable to do so. Armus Harrison has not consented to the use of its audit
report and as a result, investors seeking to recover damages pursuant to Section
11 of the  Securities  Act of 1933,  as amended (the  "Securities  Act") against
Armus Harrison for false and misleading statements,  if any, may be limited, and
the lack of such consent may preclude  directors or officers of the Company from
asserting a due diligence  defense in connection  with a Section 11 action.  See
"Experts".
================================================================================

                                   PROSPECTUS

                                3,918,299 Shares

                              Alfacell Corporation

                     Common Stock, par value $.001 per share

     The  Registration  Statement,  of  which  this  Prospectus  forms  a  part,
registers  the offer and sale of up to  3,918,299  shares of Common  Stock,  par
value  $.001 per share  (the  "Common  Stock"),  of  Alfacell  Corporation  (the
"Company"  or  "Alfacell")  by certain  holders  of Common  Stock,  warrants  to
purchase  Common Stock and options to purchase Common Stock  (collectively,  the
"Selling  Stockholders").  Of  these  3,918,299  shares,  2,337,150  shares  are
outstanding and held by investors,  (the "Private  Placement  Investors") in the
Company's   February  1998  private   placement   (the  "February  1998  Private
Placement"),  1,168,575  shares are issuable  upon the  exercise of  outstanding
warrants to purchase Common Stock (the "Warrants") held by the Private Placement
Investors,  350,574 shares are issuable upon the exercise of a warrant issued to
the  placement  agent (the  "Placement  Agent")  in the  February  1998  Private
Placement (the  "Placement  Agent  Warrant"),  50,000 shares are outstanding and
held by the Company's raw material supplier (the "Supplier"),  and 12,000 shares
are issuable upon the exercise of outstanding  options to purchase  Common Stock
(the "Options") held by one of the Selling Stockholders (the "Option Holder").

     The  Company's  Common Stock is traded on the Nasdaq  SmallCap  Market.  On
March 27, 1998 the high and low sale  prices of the Common  Stock were $2.50 and
$2.38 respectively, as reported by Nasdaq.

     The  Company  will  bear  all  of  the  expenses  in  connection  with  the
registration of the Common Stock offered hereby, which expenses are estimated to
be $10,820.  The Selling  Stockholders  will pay any brokerage  compensation  in
connection with their sale of the Common Stock.


THESE ARE SPECULATIVE SECURITIES AND AN INVESTMENT IN THE SECURITIES OFFERED
HEREBY INVOLVES A HIGH DEGREE OF RISK.  SEE "RISK FACTORS" COMMENCING ON PAGE 3.

THESE  SECURITIES  HAVE NOT BEEN APPROVED OR  DISAPPROVED  BY THE SECURITIES AND
EXCHANGE COMMISSION OR ANY STATE SECURITIES  COMMISSION,  NOR HAS THE SECURITIES
AND  EXCHANGE  COMMISSION  OR ANY STATE  SECURITIES  COMMISSION  PASSED UPON THE
ACCURACY OR ADEQUACY OF THIS PROSPECTUS. ANY REPRESENTATION TO THE CONTRARY IS A
CRIMINAL OFFENSE.

                  The date of this Prospectus is April 20, 1998


<PAGE>


                              AVAILABLE INFORMATION

     The Company is subject to the informational  requirements of the Securities
Exchange  Act of 1934,  as  amended  (the  "Exchange  Act") and,  in  accordance
therewith,  files  reports,  proxy  statements  and other  information  with the
Securities and Exchange  Commission (the  "Commission").  Such reports and proxy
and  information  statements and other  information  filed by the Company can be
inspected  and  copied at the  public  reference  facilities  maintained  by the
Commission at 450 Fifth Street, N.W., Room 1024, Washington,  D.C. 20549, and at
its regional offices located at Seven World Trade Center,  Suite 1300, New York,
New York 10048, and Northwestern  Atrium Center, 500 West Madison Street,  Suite
1400, Chicago, Illinois 60661-2511;  and copies of such material can be obtained
from the Public  Reference  Section of the  Commission in  Washington,  D.C., at
prescribed  rates. The Commission  maintains a World Wide Web site that contains
reports,  proxy  and  information  statements  and other  information  regarding
registrants  that file  electronically  with the Commission.  The address of the
site is http://www.sec.gov.

     The Company has filed with the Commission a Registration  Statement on Form
S-3 (the "Registration Statement") under the Securities Act, with respect to the
shares of Common Stock offered  hereby.  This Prospectus does not contain all of
the  information  set forth in the  Registration  Statement and the exhibits and
schedules thereto.  For further  information with respect to the Company and the
shares  of  Common  Stock  offered  hereby,  reference  is  hereby  made  to the
Registration Statement, exhibits and schedules.

     The  following  trademarks  appear  in this  Prospectus:  ONCONASE(R)  is a
registered  trademark  of Alfacell  Corporation;  and  Gemzar(R) is a registered
trademark of Eli Lilly & Co.

     No dealer,  salesman or any other  person has been  authorized  to give any
information  or to make any  representation  not  contained or  incorporated  by
reference in this Prospectus in connection  with this offering.  Any information
or representation  not contained or incorporated by reference herein must not be
relied on as having been  authorized by the Company.  This  Prospectus  does not
constitute  an  offer  to  sell  or the  solicitation  of an  offer  to buy  the
securities  offered  hereby in any state to any person to whom it is unlawful to
make  such  offer  or  solicitation.  Except  where  otherwise  indicated,  this
Prospectus speaks as of its date and neither the delivery of this Prospectus nor
any sale made hereunder shall,  under any  circumstances,  create an implication
that  there has been no  change in the  affairs  of the  Company  since the date
hereof.


                                      - i -

<PAGE>

                                TABLE OF CONTENTS


                                                                            Page
                                                                            ----


Available Information...................................................      i

Incorporation of Certain Documents by Reference.........................      1

Prospectus Summary......................................................      2

Risk Factors............................................................      3

Use of Proceeds.........................................................      9

Selling Stockholders....................................................      9

Plan of Distribution....................................................     14

Legal Matters...........................................................     15

Experts.................................................................     15










                                     - ii -

<PAGE>

================================================================================
The  financial  statements  of the  Company  from  inception  to July  31,  1992
incorporated by reference into this Registration Statement,  were audited by the
independent  accounting  firm of Armus  Harrison.  The accounting  firm of Armus
Harrison  dissolved and ceased all operations in June, 1996. As a result of such
dissolution,  investors  seeking to sue and recover  damages from Armus Harrison
for material  misstatements or omissions,  if any, in the Registration Statement
or Prospectus, including the financial statements, may be unable to do so. Armus
Harrison  has not  consented  to the use of its  audit  report  and as a result,
investors  seeking to recover  damages  pursuant to Section 11 of the Securities
Act against Armus Harrison for false and misleading  statements,  if any, may be
limited,  and the lack of such consent may preclude directors or officers of the
Company from asserting a due diligence  defense in connection  with a Section 11
action. See "Experts".
================================================================================

                 INCORPORATION OF CERTAIN DOCUMENTS BY REFERENCE

     The Company hereby  incorporates  by reference into this Prospectus (i) its
Annual  Report  on Form 10-K for the  Fiscal  Year  Ended  July 31,  1997  which
contains audited  financial  statements for the Company's latest fiscal year for
which a Form 10-K was required to have been filed, and incorporates by reference
certain  portions of the  Company's  definitive  Proxy  Statement for the Annual
Meeting of Stockholders held December 9, 1997, (ii) its quarterly report on From
10-Q for the quarter  ended  January 31, 1998,  (iii) all other reports filed by
the Company  pursuant to Section  13(a) or 15(d) of the  Exchange Act since July
31, 1997,  including but not limited to, the Form 8-K filed on February 20, 1998
and (iv) the  description  of the Company's  Common Stock,  $.001 par value,  as
contained in its  registration  statement on Form 8-A, filed with the Commission
on April 26, 1983.

     All documents filed by the Company  pursuant to Sections  13(a),  13(c), 14
and 15(d) of the Exchange  Act,  subsequent  to the date hereof and prior to the
filing  of a  post-effective  amendment  to  the  Registration  Statement  which
indicates that all shares of Common Stock offered hereby have been sold or which
deregisters all shares of Common Stock then remaining unsold, shall be deemed to
be  incorporated  by reference into this Prospectus and to be a part hereof from
the date of filing of such documents.

     Any statement  contained herein or in a document  incorporated or deemed to
be incorporated by reference herein shall be deemed to be modified or superseded
for purposes of this Prospectus to the extent that such statement is modified or
superseded by a statement  contained herein or in a subsequently  filed document
which also is or is deemed to be  incorporated  by  reference  herein.  Any such
statement so modified or superseded  shall not be deemed,  except as so modified
or superseded, to constitute a part of this Prospectus.

     The Company will provide,  without  charge,  to each person  (including any
beneficial  owner) to whom this  Prospectus is  delivered,  upon written or oral
request of such person,  a copy of any and all of the information  that has been
incorporated  by reference in this  Prospectus  (not including  exhibits to such
information unless such exhibits are specifically incorporated by reference into
such  information).  Such  requests  should be  directed  to Gail  Fraser,  Vice
President,  Finance and Chief  Financial  Officer,  at the  Company's  principal
executive  offices at 225  Belleville  Avenue,  Bloomfield,  New  Jersey  07003,
telephone (973) 748-8082.




                                      - 1 -

<PAGE>

                               PROSPECTUS SUMMARY

The  following  summary is  qualified  in its  entirety by reference to the more
detailed  information and consolidated  financial statements appearing elsewhere
and incorporated by reference in this Prospectus.

                                   THE COMPANY

     Alfacell  Corporation  ("Alfacell" or the "Company") is a biopharmaceutical
company  organized  in  1981  to  engage  in the  discovery,  investigation  and
development of a new class of anti-cancer  drugs isolated from leopard frog eggs
and early embryos.  The Company's first product under development is ONCONASE(R)
which  targets  solid  tumors,  most of which are known to be resistant to other
chemotherapeutic  drugs.  To date, the most  significant  clinical  results with
ONCONASE  have been  observed  in  pancreatic,  non-small  cell lung,  malignant
mesothelioma and metastatic breast cancer.

     The Selling  Stockholders  acquired all of the outstanding shares of Common
Stock offered hereby, the Warrants,  the Placement Agent Warrant and the Options
directly  from the Company (i) in the February 1998 Private  Placement;  (ii) in
connection with the conversion by the Supplier of an outstanding account payable
(the  "Conversion  Agreement");  and (iii) in  connection  with  services  to be
rendered to the  Company.  See  "Selling  Stockholders".  The  Company  will not
receive  any of the  proceeds  from the  sale of  Common  Stock  by the  Selling
Stockholders.  To the extent any of the  Warrants,  Placement  Agent  Warrant or
Options  are  exercised,  the  Company  will apply the  proceeds  thereof to its
general corporate purposes. See "Use of Proceeds."

     Alfacell, a Delaware  corporation,  was incorporated in 1981. The Company's
executive offices are located at 225 Belleville Avenue,  Bloomfield,  New Jersey
07003, telephone (973) 748-8082.

                                  The Offering

Securities Offered.......    

                             This  Prospectus  relates  to an  offering  by  the
                             Selling  Stockholders of up to 3,918,299  shares of
                             Common Stock of the Company. Of these shares (i) an
                             aggregate of  2,337,150  shares of Common Stock are
                             currently   outstanding  and  were  issued  to  the
                             Private  Placement  Investors in the February  1998
                             Private  Placement,  (ii) an aggregate of 1,168,575
                             shares may be issued upon  exercise of the Warrants
                             which  were   issued  to  the   Private   Placement
                             Investors in the February  1998 Private  Placement,
                             (iii)  350,574   shares  may  be  issued  upon  the
                             exercise of the  Placement  Agent Warrant which was
                             issued to the Placement  Agent in the February 1998
                             Private  Placement,  (iv)  50,000  shares of Common
                             Stock are currently  outstanding and were issued to
                             the  Supplier  in  connection  with the  Conversion
                             Agreement, and (v) 12,000 shares may be issued upon
                             the  exercise  of Options  which were issued to the
                             Option Holder. See "Selling Stockholders."

Securities Outstanding..     As of March 26,  1998,  the Company had  17,234,943
                             shares of Common Stock  outstanding.  Assuming that
                             all of the Warrants,  the  Placement  Agent Warrant
                             and the Options are  exercised  and no other shares
                             of Common Stock are issued  subsequent to March 26,
                             1998, the Company would have  18,766,092  shares of
                             Common Stock outstanding.

Use of Proceeds........      The Company will not receive any proceeds  from the
                             sale of the shares of Common  Stock  offered by the
                             Selling Stockholders.  If all of the Warrants,  the
                             Placement   Agent   Warrant  and  the  Options  are
                             exercised,  the Company will receive  estimated net
                             proceeds  of  $3,774,678.  The  Company  intends to
                             utilize any proceeds  received from the exercise of
                             the Warrants,  the Placement  Agent Warrant and the
                             Options for general corporate  purposes,  including
                             the funding of research and development activities.
                             There can be no assurance that any of the Warrants,
                             the Placement  Agent Warrant or the Options will be
                             exercised. See "Use of Proceeds."

                                      - 2 -

<PAGE>

Risk Factors.............    See  "Risk  Factors"  below  for  a  discussion  of
                             certain risk factors that should be  considered  by
                             prospective   investors  in   connection   with  an
                             investment  in the shares of Common  Stock  offered
                             hereby.

                                  RISK FACTORS

     The shares of Common Stock  offered  hereby are  speculative  and involve a
high degree of risk.  They should not be purchased  by anyone who cannot  afford
the  loss  of  his  or  her  entire  investment.  In  analyzing  this  offering,
prospective investors should consider the matters set forth below, among others,
and carefully read this  Prospectus.  Information  contained or  incorporated by
reference in this Prospectus contains "forward-looking  statements" which can be
identified  by the  use  of  forward-looking  terminology  such  as  "believes,"
"expects,"  "may," "will,"  "should" or "anticipates" or the negative thereof or
other variations thereon or comparable terminology, or by discussion of strategy
or future plans.  No assurance can be given that the future  results  covered by
the forward-looking  statements will be achieved.  The following matters include
cautionary  statements,  including certain risks and  uncertainties,  that could
cause actual results to vary  materially from the future results covered in such
forward-looking  statements.  Other factors  could also cause actual  results to
vary  materially  from  the  future  results  covered  in  such  forward-looking
statements.

     Development Stage Company, Significant Accumulated Deficit, and Uncertainty
of Future  Profitability.  The Company is a  development  stage company which is
subject  to all of the  risks and  uncertainties  of such a  company,  including
uncertainties  of product  development,  constraints  on financial and personnel
resources and dependence upon and need for third party financing.  The Company's
profitability  will depend  primarily upon its success in developing,  obtaining
regulatory approvals for, and effectively  marketing ONCONASE.  ONCONASE has not
been  approved  by the  United  States  Food  and Drug  Administration  ("FDA").
Potential  investors  should be aware of the  difficulties  a development  stage
enterprise  encounters,  especially  in view of the intense  competition  in the
pharmaceutical industry in which the Company competes. There can be no assurance
that the Company's plans will either  materialize or prove successful,  that its
products under development will be successfully  developed or that such products
will generate revenues sufficient to enable the Company to earn a profit.  Since
the  Company's  incorporation  in 1981,  a  significant  source  of cash for the
Company has been public and private offerings of its securities.  At January 31,
1998 the Company had an accumulated  deficit of approximately  $48,600,000.  The
Company  anticipates  that it will continue to incur  substantial  losses in the
future.   The  Company  is  pursuing   licensing,   marketing  and   development
arrangements  that may result in contract  revenue to the  Company  prior to its
receiving  revenues from commercial sales of ONCONASE.  To date, the Company has
not received any such revenues.  There can be no assurance that the Company will
be able to successfully consummate any such arrangements.

     No  Assurance  Of  Successful  Product  Development  Or  Commercialization;
Uncertainties Related To Clinical Trials. The Company's research and development
programs are at various  stages of  development,  ranging  from the  preclinical
stage  to  Phase  III  clinical  trials.  Substantial  additional  research  and
development  will be necessary for the Company to develop and obtain  regulatory
approval  for its product  candidates,  and there can be no  assurance  that the
Company's research and development  program will lead to development of products
that  are  shown  to be safe  and  effective  in  clinical  trials  and that are
commercially  viable.  In  addition to further  research  and  development,  the
Company's product candidates will require clinical testing,  regulatory approval
and  development  of  marketing  and  distribution  channels,  all of which  are
expected   to   require    substantial    additional    investment    prior   to
commercialization. There can be no assurance that the Company's products will be
successfully  developed,  prove to be safe and  efficacious in clinical  trials,
meet applicable regulatory  standards,  receive marketing approval from the FDA,
be capable of being produced in commercial  quantities at acceptable  costs,  be
eligible for third party reimbursement from governmental or private insurers, be
successfully  marketed or achieve  market  acceptance.  Further,  the  Company's
products  may prove to have  undesirable  or  unintended  side  effects that may
prevent or limit their commercial use.

                                      - 3 -

<PAGE>

     The Company may find,  at any stage of its research and  development,  that
products which appeared promising in preclinical studies or Phase I and Phase II
clinical trials do not demonstrate  efficacy in larger-scale  Phase III clinical
trials and do not receive  regulatory  approvals.  The results from  preclinical
testing and early clinical  trials may not be predictive of results  obtained in
later clinical trials and large-scale  testing.  Companies in the pharmaceutical
and  biotechnology  industries  have  suffered  significant  setbacks in various
stages of clinical  trials,  even in advanced  clinical  trials after  promising
results  had  been  obtained  in  earlier  trials.   Accordingly,   any  product
development  program  undertaken by the Company may be curtailed,  redirected or
eliminated at any time. The rate of completion of the Company's  clinical trials
may be  delayed by many  factors,  including  slower  than  anticipated  patient
enrollment or adverse events occurring during the clinical trials. Completion of
testing,  studies  and trials  may take  several  years,  and the length of time
varies substantially with the type, complexity,  novelty and intended use of the
product. In addition, data obtained from preclinical and clinical activities are
susceptible  to varying  interpretations,  which could  delay,  limit or prevent
regulatory  approval.  Delays or rejections may be  encountered  based upon many
factors,  including  changes in  regulatory  policy during the period of product
development.  No assurance  can be given that any of the  Company's  development
programs will be  successfully  completed,  or that the Company's  products will
receive FDA approval.

     Need for,  and  Uncertainty  of,  Future  Financing.  The  Company  will be
required to expend significant funds on the further  development of ONCONASE and
its continued  operations will depend on its ability to raise  additional  funds
through equity or debt financing,  collaborative agreements, strategic alliances
and revenues from the commercial sale of ONCONASE. The Company believes that its
cash and cash equivalents as of January 31, 1998, after giving effect to the net
proceeds received by the Company in the February 1998 Private Placement, will be
sufficient  to meet its  anticipated  cash needs  through the fiscal year ending
July 31, 1999.  The Company will be required to raise  additional  funds to meet
its cash needs upon  exhaustion  of its  current  cash  resources.  The  Company
continues to be primarily  financed by proceeds  from private  placements of its
Common Stock and investments in its equity securities.  If the Company is unable
to secure  sufficient  future  financing it may be necessary  for the Company to
curtail or discontinue its research and development activities.

     Government  Regulation;  No Assurance of FDA Approval.  The  pharmaceutical
industry in the United  States is subject to stringent  governmental  regulation
and the sale of ONCONASE for use in humans in the United States will require the
prior approval of the FDA. Similar approvals by comparable agencies are required
in most foreign  countries.  The FDA has  established  mandatory  procedures and
safety standards which apply to the clinical testing,  manufacture and marketing
of pharmaceutical  products.  Pharmaceutical  manufacturing  facilities are also
regulated by state,  local and other  authorities.  Obtaining FDA approval for a
new   therapeutic   drug  may  take  several   years  and  involve   substantial
expenditures.  ONCONASE has not been  approved for sale in the United  States or
elsewhere. There can be no assurance that the Company will be able to obtain FDA
approval for ONCONASE or any of its future products. Failure to obtain requisite
governmental  approvals or failure to obtain  approvals  of the scope  requested
will delay or preclude  the Company  from  marketing  its  products  while under
patent  protection or limit the commercial use of the products,  and thereby may
have  a  material  adverse  effect  on the  Company's  liquidity  and  financial
condition.  Further,  even if governmental  approval is obtained,  new drugs are
subject to continual review and a later discovery of previously unknown problems
may result in restrictions on the particular  product,  including  withdrawal of
such product from the market.

     Uncertain  Ability to  Protect  Patents  and  Proprietary  Technology.  The
Company  believes  it is  important  to develop new  technology  and improve its
existing technology. When appropriate,  the Company files patent applications to
protect inventions made by its personnel. The Company owns six U.S. Patents: (i)
U.S. Patent No. 4,888,172 issued in 1989, which covers a pharmaceutical produced
from fertilized frog eggs and the methodology for producing it; (ii) U.S. Patent
No.  5,559,212  issued in 1996 which covers the amino acid sequence of ONCONASE;
(iii) U.S.  Patents Nos.  5,529,775 and 5,540,925 issued in 1996 and U.S. Patent
No. 5,595,734 issued in 1997, which cover  combinations of ONCONASE with certain
other  pharmaceuticals;  and (iv) U.S. Patent No. 5,728,805 issued in 1998 which
covers a family of variants of ONCONASE. The Company owns three European patents
which have been validated in certain European countries.  These European patents
cover ONCONASE, process technology for

                                      - 4 -

<PAGE>

making   ONCONASE,   and   combinations   of   ONCONASE   with   certain   other
chemotherapeutics.  The Company also owns other patent  applications,  which are
pending in the United States, Europe, and Japan. Additionally,  the Company owns
an undivided interest in two applications that are pending in the United States.
Each of these  applications  relate  to a  Subject  Invention  (as that  term is
defined in cooperative research and development  agreements to which the Company
and the National Institutes of Health (the "NIH") are parties). Patents covering
biotechnological  inventions have an uncertain scope, and the Company is subject
to this uncertainty. The Company's patent applications may not issue as patents.
Moreover,  the  Company's  patents may not provide the Company with  competitive
advantages and may not withstand challenges by others.  Likewise,  patents owned
by others may  adversely  affect  the  ability  of the  Company to do  business.
Furthermore,  others may independently  develop similar products,  may duplicate
the Company's products,  and may design around patents owned by the Company. The
Company's patent  protection is limited to that afforded under the claims of its
issued  patents,  unless and until other patent  protection  is available to the
Company.  Although the Company believes that its patents and patent applications
are of  substantial  value to the Company,  there can be no assurance  that such
patents will be of substantial  commercial  benefit to the Company,  will afford
the  Company  adequate  protection  from  competing  products  or  will  not  be
challenged or declared invalid.  The Company expects that there will continue to
be  significant   litigation  in  the  industry   regarding  patents  and  other
proprietary  rights  and,  if the  Company  were  to  become  involved  in  such
litigation,  there  could  be no  assurance  that  the  Company  would  have the
resources necessary to litigate the contested issues effectively.

     Intense  Competition  and  Technological  Obsolescence.  There are  several
companies,  universities,  research  teams  and  scientists,  both  private  and
government-sponsored,   which  engage  in  developing   products  for  the  same
indications  as the Company.  Many of these entities and  associations  have far
greater financial resources,  larger research staffs and more extensive physical
facilities than the Company.  Several  competitors are more experienced and have
substantially  greater  clinical,  marketing  and  regulatory  capabilities  and
managerial  resources than the Company.  Such  competitors  may succeed in their
research and  development  of products for the same  indications  as the Company
prior to the Company achieving any measure of success in its efforts.

     The  number  of  persons   skilled  in  the  research  and  development  of
pharmaceutical  products is limited and significant  competition exists for such
individuals.  As  a  result  of  this  competition  and  the  Company's  limited
resources,  the Company may find it difficult to attract skilled  individuals to
research, develop and investigate anti-cancer drugs in the future.

     The  business  in which the  Company is engaged is highly  competitive  and
involves rapid changes in the  technologies  of discovering,  investigating  and
developing new drugs.  Rapid  technological  development by others may result in
the  Company's   products  becoming  obsolete  before  the  Company  recovers  a
significant portion of the research,  development and commercialization expenses
incurred with respect to those products. Competitors of the Company are numerous
and are expected to increase as new technologies become available. The Company's
success depends upon  developing and  maintaining a competitive  position in the
development of new drugs and technologies in its area of focus.  There can be no
assurance that, if attained,  the Company will be able to maintain a competitive
position in the pharmaceutical industry.

     Uncertain Availability Of Health Care Reimbursement.  The Company's ability
to  commercialize  its product  candidates  will depend in part on the extent to
which  reimbursement  for the  costs of such  products  will be  available  from
government  health  administration  authorities,  private  health  insurers  and
others.  Significant  uncertainty exists as to the reimbursement status of newly
approved health care products.  There can be no assurance of the availability of
adequate third-party insurance  reimbursement  coverage that enables the Company
to  establish  and  maintain  price  levels  sufficient  for  realization  of an
appropriate return on its investment in developing its products.  Government and
other  third-party  payors are  increasingly  attempting to contain  health care
costs  by  limiting  both  coverage  and  the  level  of  reimbursement  for new
therapeutic products approved for marketing by the FDA and by refusing,  in some
cases,  to provide  any  coverage  for uses of  approved  products  for  disease
indications for which the FDA has not granted  marketing  approval.  If adequate
coverage and reimbursement levels are not provided by government and third-party
payors for uses of the Company's  product  candidates,  the market acceptance of
these products would be adversely affected.

                                      - 5 -

<PAGE>

     Potential  Product  Liability.  The use of the  Company's  products  during
testing or after regulatory approval entails an inherent risk of adverse effects
which  could  expose the  Company  to  product  liability  claims.  The  Company
maintains product liability insurance coverage in the total amount of $6,000,000
for claims arising from the use of its products in clinical  trials prior to FDA
approval.  There can be no  assurance  that the Company will be able to maintain
its existing  insurance  coverage or obtain coverage for the use of its products
in the future. Management believes that the Company maintains adequate insurance
coverage for the operation of its business at this time,  however,  there can be
no assurance that such insurance coverage and the resources of the Company would
be sufficient to satisfy any liability resulting from product liability claims.

     Dependence Upon Key Personnel.  The Company is currently managed by a small
number of key  management  and operating  personnel,  whose efforts will largely
determine  the  Company's  success.  The  loss  of  key  management   personnel,
particularly Kuslima Shogen, the Company's Chairman and Chief Executive Officer,
would likely have a material adverse effect on the Company.  The Company carries
key  person  life  insurance  on the  life of Ms.  Shogen  with a face  value of
$1,000,000.

     Dependence  on  Third  Parties  for  Manufacturing.  The  Company  does not
currently have  facilities  capable of  manufacturing  its product in commercial
quantities and, for the foreseeable future, the Company intends to rely on third
parties  to  manufacture  its  product.  If the  Company  were  to  establish  a
manufacturing  facility,  which it  currently  does not  intend  to do, it would
require  substantial  additional  funds and would be required to hire and retain
significant  additional  personnel  to comply with the  extensive  current  Good
Manufacturing  Practices  ("cGMP")  regulations  of the FDA applicable to such a
facility.  No assurance  can be given that the Company would be able to make the
transition successfully to commercial production, if it chose to do so.

     Dependence on Third Parties for Marketing; No Marketing Experience. Neither
the Company nor any of its officers or employees  has  pharmaceutical  marketing
experience.  The  Company  intends  to  enter  into  development  and  marketing
agreements with third parties.  The Company expects that under such arrangements
it would act as a co-marketing partner or would grant exclusive marketing rights
to its corporate  partners in return for up-front fees,  milestone  payments and
royalties on sales. Under these agreements,  the Company's marketing partner may
have the responsibility for a significant  portion of development of the product
and  regulatory  approval.  In the event  that the  marketing  partner  fails to
develop a  marketable  product  or fails to market a product  successfully,  the
Company's business may be adversely affected.  If the Company were to market its
products itself,  significant  additional  expenditures and management resources
would be  required  to  develop  an  internal  sales  force  and there can be no
assurance  that the Company would be successful in  penetrating  the markets for
any  products  developed  or  that  internal  marketing  capabilities  would  be
developed at all.

     Liquidity.  The  Company's  Common  Stock  has been  quoted  on the  NASDAQ
SmallCap Market since December 5, 1996 and is currently thinly traded. A limited
trading  market could result in an investor being unable to liquidate his or her
investment.

     No  Dividends.  The Company has not paid any  dividends on its Common Stock
since its inception and does not currently foresee the payment of cash dividends
in the future. The Company currently intends to retain all earnings,  if any, to
finance its operations.

     Preferred Stock;  Anti-takeover Device. The Company is currently authorized
to issue 1,000,000  shares of preferred  stock,  par value $.001 per share.  The
Company's  Board  of  Directors  is  authorized,  without  any  approval  of the
stockholders,  to issue  the  preferred  stock and  determine  the terms of such
preferred  stock.  There are no  shares  of  preferred  stock  outstanding.  The
authorized  and  unissued  shares of  preferred  stock may be  classified  as an
"anti-takeover"  measure and may discourage  attempted  takeovers of the Company
which are not  approved  by the Board of  Directors.  The  authorized  shares of
preferred stock will remain  available for general  corporate  purposes,  may be
privately placed and can be used to make a change in control of the Company more
difficult. Under certain

                                      - 6 -

<PAGE>

circumstances, the Board of Directors could create impediments to, or frustrate,
persons  seeking to effect a takeover  or  transfer in control of the Company by
causing  such shares to be issued to a holder or holders who might side with the
Board of  Directors  in  opposing  a  takeover  bid that the Board of  Directors
determines is not in the best interests of the Company and its stockholders, but
in which unaffiliated stockholders may wish to participate.  Under Delaware law,
the Board of Directors is permitted to use a depositary  receipt mechanism which
enables the Board to issue an unlimited  number of fractional  interests in each
of the authorized  and unissued  shares of preferred  stock without  stockholder
approval.  Consequently,  the Board of Directors,  without  further  stockholder
approval,  could  issue  authorized  shares  of  preferred  stock or  fractional
interests  therein  with  rights that could  adversely  affect the rights of the
holders of the Company's  Common Stock to a holder or holders which,  when voted
together with other securities held by members of the Board of Directors and the
executive  officers and their families,  could prevent the majority  stockholder
vote required by the Company's  certificate of  incorporation or Delaware law to
effect certain matters.  Furthermore, the existence of such authorized shares of
preferred stock might have the effect of  discouraging  any attempt by a person,
through the  acquisition of a substantial  number of shares of Common Stock,  to
acquire  control of the Company.  Accordingly,  the  accomplishment  of a tender
offer may be more  difficult.  This may be beneficial to management in a hostile
tender  offer,  but  have an  adverse  impact  on  stockholders  who may want to
participate in such tender offer.

     Control By Present Management.  The Company's officers and directors,  as a
group,  beneficially  owned 20.9% of the outstanding Common Stock of the Company
as of March 26, 1998 and thus could in some instances exercise effective control
over  the  Company.   The  Company's   Chief   Executive   Officer  has  pledged
substantially all the shares of the Company's Common Stock beneficially owned by
her to secure repayment of a term loan owed by her.

     Volatility  and  Possible  Reduction in Price of Common  Stock.  The market
price of the Common Stock, like that of the securities of many other development
stage biotechnology companies, has been and may continue to be, highly volatile.
Factors such as  announcements  of  technological  innovations or new commercial
products by the Company or its  competitors,  disclosure  of results of clinical
testing  or  regulatory  proceedings,  governmental  regulation  and  approvals,
developments  in patent or other  proprietary  rights,  public concern as to the
safety of products  developed by the Company and general  market  conditions may
have a significant  effect on the market price of the Common Stock. In addition,
the stock market has experienced  and continues to experience  extreme price and
volume  fluctuations  which have effected the market price of many biotechnology
companies.  These broad  market  fluctuations,  as well as general  economic and
political  conditions,  may  adversely  effect the market price of the Company's
Common Stock.

     Shares  Eligible  for Future Sale.  As of March 26,  1998,  the Company had
outstanding  17,234,943  shares of Common  Stock and,  options  and  warrants to
acquire an additional  5,946,357  shares of Common Stock.  Of these  outstanding
shares, 10,513,162 shares are freely transferable without restriction or further
registration  under the  Securities  Act.  The  remaining  6,721,781  shares are
"restricted  securities"  as that term is defined in Rule 144 adopted  under the
Securities  Act.  Of  these  restricted  shares,  approximately  4,294,631  were
eligible to be sold under Rule 144 as of March 26,  1998,  2,542,125  (including
2,502,125  eligible  to be sold  under Rule 144) were  covered  by an  effective
registration statement (the "January 1998 Registration Statement") and 2,387,150
are covered by the Registration Statement of which this Prospectus forms a part.
Such  2,542,125  shares of  restricted  Common Stock covered by the January 1998
Registration  Statement and 2,387,150 shares of restricted Common Stock included
in the Registration Statement filed with the Commission,  will, if sold pursuant
thereto,  be freely  tradeable  without  restriction  under the Securities  Act,
except that any shares sold to an "affiliate," as that term is defined under the
Securities  Act,  will be subject to the resale  limitations  of Rule 144. As of
March 26,  1998,  in addition to the  Warrants to purchase  1,168,575  shares of
Common Stock,  the Placement Agent Warrant to purchase  350,574 shares of Common
Stock issued in the February 1998 Private Placement, and the Options to purchase
12,000  shares of Common  Stock,  all of which are  covered by the  Registration
Statement  of which this  Prospectus  forms a part,  and  Warrants  to  purchase
369,745 shares of Common Stock and options to purchase  453,482 shares of Common
Stock, which were covered by the January 1998 Registration Statement, there were
outstanding options issued to officers,

                                      - 7 -

<PAGE>

directors and consultants of the Company (the "Employee Options") to purchase an
aggregate of 3,278,231 shares of Common Stock, which are covered by an effective
Registration  Statement  on Form S-8.  The  5,632,607  shares  of  Common  Stock
underlying such Warrants,  Placement Agent Warrant, Options and Employee Options
will, if issued upon exercise and sold pursuant to their respective registration
statements,  be freely tradeable  without  restriction under the Securities Act,
except that any shares of Common Stock held by an  "affiliate,"  as that term is
defined under the Securities  Act, will be subject to the resale  limitations of
Rule 144. The existence of such Warrants,  Placement Agent Warrant,  Options and
Employee Options may adversely affect the Company's ability to consummate future
equity  financings.  The future sale of a substantial number of shares of Common
Stock by existing  holders of Common  Stock and holders of warrants  and options
exercisable  for Common Stock  pursuant to Rule 144 under the  Securities Act or
through  effective  registration  statements  may have an adverse  impact on the
market price of the Common Stock.

     Utilization of Carryforwards. At July 31, 1997, the Company had federal net
operating loss  carryforwards  of  approximately  $27,700,000 that expire in the
years 1998 to 2012. The Company also had investment tax credit  carryforwards of
approximately  $52,000 and research and experimentation tax credit carryforwards
of  approximately  $391,000  that  expire  in the years  1998 to 2011.  Ultimate
utilization/availability  of  such  net  operating  losses  and  credits  may be
significantly curtailed if a significant change in ownership occurs.

     Termination of Company's Auditors.  The financial statements of the Company
from inception to July 31, 1992 incorporated by reference into this Registration
Statement, were audited by the independent accounting firm of Armus Harrison. On
December  1, 1993,  certain  shareholders  of Armus  Harrison  terminated  their
association  with Armus Harrison (the "Armus Harrison  Termination"),  and Armus
Harrison ceased performing accounting and auditing services,  except for limited
accounting  services to be  performed  on behalf of the  Company.  In June 1996,
Armus  Harrison  dissolved  and ceased all  operations.  The report of KPMG Peat
Marwick  LLP with  respect  to the  financial  statements  of the  Company  from
inception  to July 31,  1997 is based on the  report of Armus  Harrison  for the
period from inception to July 31, 1992 (the "Armus Harrison  Report"),  although
Armus  Harrison has not  consented to the use of such report herein and will not
be available to perform any subsequent  review  procedures  with respect to such
report.  Accordingly,  based  upon the  provisions  of Section  11(a)(4)  of the
Securities  Act, it is the  Company's  belief that  investors  may be limited to
asserting  claims  against Armus Harrison under Section 11 of the Securities Act
on the  basis  of the  use of the  Armus  Harrison  Report  in any  registration
statement of the Company into which such report is  incorporated  by  reference,
including but not limited to this Registration  Statement.  In addition,  in the
event any persons  seek to assert a claim  against  Armus  Harrison for false or
misleading financial statements and disclosures in documents previously filed by
the  Company,  such claim may also be adversely  affected  and possibly  barred.
Furthermore, as a result of the lack of a consent from Armus Harrison to the use
of  its  audit  report  herein,  or to its  incorporation  by  reference  into a
registration statement, the officers and directors of the Company will be unable
to rely on the authority of Armus Harrison as experts in auditing and accounting
in the event any claim is brought  against any such persons  under Section 11 of
the Securities Act based on alleged false and  misleading  financial  statements
and  disclosures  attributable to Armus  Harrison.  To the Company's  knowledge,
Armus Harrison is not, and has not been, the subject of any proceeding under any
federal  or  state   bankruptcy  or  insolvency   laws.   The  Company  has  not
investigated,  and has no knowledge concerning,  the assets of Armus Harrison or
its  shareholders,  if any, which may be available to satisfy any claims brought
by any investors.  In addition,  the Company has not investigated the status and
nature of the liability of any of the  shareholders of Armus Harrison and it may
be that any such  obligation may be limited or precluded  under  applicable law.
The discussion  regarding  certain effects of the Armus Harrison  Termination is
not meant and should not be  construed  in any way as legal  advice to any party
and any potential purchaser should consult with his, her or its own counsel with
respect  to  the  effect  of  the  Armus  Harrison  Termination  on a  potential
investment in the Common Stock of the Company or otherwise. The Company believes
that the Armus Harrison Report is correct and accurate in all material respects.

                                      - 8 -

<PAGE>

                                 USE OF PROCEEDS

     The Company  will not receive any  proceeds  from the sale of the shares of
Common Stock offered herein by the Selling Stockholders. If all of the Warrants,
the Placement  Agent  Warrants and the Options are  exercised,  the Company will
receive estimated net proceeds of approximately $3,774,678.  The Company intends
to  utilize  any  proceeds  received  from the  exercise  of the  Warrants,  the
Placement  Agent  Warrants  and  the  Options  primarily  to fund  research  and
development  activities  and for  general  corporate  purposes.  There can be no
assurance that any of the Warrants,  the Private Placement Agent Warrants or the
Options will be exercised.

                              SELLING STOCKHOLDERS

     On February  20, 1998 the  Company  completed  the  February  1998  Private
Placement  resulting in the  issuance of an  aggregate  of  2,337,150  shares of
restricted  Common  Stock and  three-year  Warrants to purchase an  aggregate of
1,168,575  shares of Common Stock at an exercise  price of $2.50 per share.  The
Common Stock and Warrants were sold in units consisting of two (2) shares of the
Company's Common Stock and one (1) three-year  warrant to purchase one (1) share
of  Common  Stock  (the  "Units").  The price per unit was  $4.00.  The  Company
received net proceeds of approximately $4.3 million which will be used primarily
for  general  corporate   purposes,   including  the  funding  of  research  and
development   activities,   which  include   collaborations  with  the  National
Institutes of Health ("NIH") and the National Cancer Institute ("NCI") and Phase
II/III  clinical  trials.  This  Prospectus  relates  to the  offer  and sale of
2,337,150 shares of Common Stock and 1,168,575 shares of Common Stock underlying
Warrants  which were  purchased in the  aggregate  in the February  1998 Private
Placement and are held by investors in the February 1998 Private Placement as of
the date hereof.

     Harris,  Webb & Garrison,  Inc., ("HWG") an investment banking firm located
in  Houston,  Texas  acted as  Placement  Agent  in the  February  1998  Private
Placement  and  received as part of its  compensation  a  three-year  warrant to
purchase  116,858  units (the  "Placement  Agent Unit") at an exercise  price of
$4.40 per unit.  Each  Placement  Agent Unit  consists  of two (2) shares of the
Company's Common Stock and one (1) three-year  warrant to purchase one (1) share
of Common Stock. This Prospectus  relates to the offer and sale by the Placement
Agent of 350,574 shares of Common Stock underlying the Placement Agent Warrant.

     On March 20, 1998, the Company entered into a Conversion Agreement with one
of its raw  material  suppliers  for the  conversion  of a total of  $100,000 of
outstanding  payable into 50,000 shares of the Company's Common Stock.  Pursuant
to the Conversion  Agreement the Company issued 50,000 shares of Common Stock to
R.P. Biologicals, Inc. ("RPB"). This Prospectus relates to the offer and sale by
RPB of 50,000 shares of Common Stock.

     On October 10, 1997, Options to purchase 12,000 shares of Common Stock were
issued as payment for  services to be  rendered.  The Options  expire on various
dates from the date hereof through September 10, 2003. The exercise price of the
Options is $3.91 per share.  As of the date  hereof,  all of the Options  remain
outstanding.  This Prospectus relates to the offer and sale by the Option Holder
of 12,000 shares of Common Stock underlying the Options.

     The Company's sale of Common Stock and Warrants to accredited investors (as
that  term is  defined  in Rule  501  under  the  Securities  Act)  and  several
non-accredited  investors covered under the January 1998 Registration  Statement
and the February  1998 Private  Placement  was effected in reliance upon Section
4(2) of the Securities Act and Rule 506  thereunder,  except that 115,000 shares
were sold pursuant to Regulation S under the Securities  Act.  Pursuant to stock
purchase  agreements  entered  into by the  Company  with  each  of the  Private
Placement Investors (the "Purchase Agreements"), the Company agreed to indemnify
each of the Private Placement  Investors (all of whom are Selling  Stockholders)
against any liabilities,  under the Securities Act or otherwise,  arising out of
or based upon any untrue or alleged  untrue  statement of a material fact in the
Registration Statement or this Prospectus or by any

                                      - 9 -

<PAGE>

omission of a material fact required to be stated  therein  except to the extent
that  such  liabilities  arise out of or are based  upon any  untrue or  alleged
untrue  statement  or omission in any  information  furnished  in writing to the
Company by the Private Placement Investors expressly for use in the Registration
Statement.   Insofar  as  indemnification  for  liabilities  arising  under  the
Securities  Act may be permitted to directors,  officers or persons  controlling
the Company  pursuant to its  certificate  of  incorporation  and  by-laws,  the
Company  has  been  informed  that  in  the  opinion  of  the  Commission   such
indemnification  is  against  public  policy  as  expressed  in the  Act  and is
therefore unenforceable.

     The Company is required to file a Registration  Statement by March 31, 1998
registering  all of the shares of Common Stock offered  hereby,  (except for the
shares issued to the Supplier),  and to use its commercially  reasonable efforts
to have such  Registration  Statement  declared  effective as soon as reasonably
practicable.

     The Company is required to maintain the  effectiveness of such Registration
Statement until all of the shares registered  thereunder have been sold or until
the second anniversary of the closing of the Private Placement.

Stock Ownership

     The table  below sets forth the number of shares of Common  Stock (i) owned
beneficially by each of the Selling  Stockholders;  (ii) offered by each Selling
Stockholder pursuant to this Prospectus;  (iii) to be owned beneficially by each
Selling  Stockholder after completion of the offering,  assuming that all of the
Warrants,  Placement Agent Warrant and Options held by the Selling  Stockholders
are exercised and all of the shares offered hereby are sold and that none of the
other shares held by the Selling  Stockholders,  if any, are sold;  and (iv) the
percentage  to be owned by each  Selling  Stockholder  after  completion  of the
offering, assuming that all of the Warrants, Placement Agent Warrant and Options
held by the Selling  Stockholders  are exercised  and all of the shares  offered
hereby  are  sold  and  that  none  of the  other  shares  held  by the  Selling
Stockholders,  if any,  are  sold.  For  purposes  of this  table  each  Selling
Stockholder  is  deemed to own  beneficially  (i) the  shares  of  Common  Stock
underlying the Warrants,  Placement  Agent Warrant and Options,  (ii) the issued
and  outstanding  shares of Common Stock owned by the Selling  Stockholder as of
March 6, 1998 and (iii) the shares of Common Stock  underlying any other options
or warrants owned by the Selling  Stockholder  which are exercisable as of March
6, 1998 or which will  become  exercisable  within 60 days after  March 6, 1998.
Except as otherwise noted, none of such persons or entities has had any material
relationship with the Company during the past three years.

     In connection  with the  registration of the shares of Common Stock offered
hereby, the Company will supply prospectuses to the Selling Stockholders.


                                     - 10 -

<PAGE>

                           SELLING SHAREHOLDERS TABLE


<TABLE>
<CAPTION>
                                                                                                                  
                                                                                                                  
                                                                                          Number of               
                                                                       Number of       Shares Offered   Number of 
                                                     Number of      Shares Offered      and Acquired      Shares  
                                                       Shares       and Acquired in        in the        Offered  
Selling                                             Beneficially     February 1998       Conversion     Underlying
Stockholders(1)                                        Owned       Private Placement      Agreement      Options  
- ---------------                                        -----       -----------------      ---------      -------  
<S>                                                  <C>               <C>                   <C>         <C> 
Aries Domestic Fund, L.P. (3)                          742,500           742,500             0                0   
The Aries Fund, A Cayman Island Trust (4)            1,507,500         1,507,500             0                0   
Berkley Corporation                                     37,500            37,500             0                0   
Bridgewater Partners, L.P.                              75,000            75,000             0                0   
Burke Jr., William R.                                    9,000             9,000             0                0   
C.S.L. Associates, L.P.                                 75,000            75,000             0                0   
Cobbs, Jerald (5) (6)                                   63,549            63,549             0                0   
Cranshire Capital, L.P.                                 93,750            93,750             0                0   
Curran Partners, L.P.                                  185,625           185,625             0                0   
Davis, Richard H.                                       15,000            15,000             0                0   
Duncan, Robert D.                                       15,000            15,000             0                0   
EC Investment Ltd.                                     265,000           150,000             0                0   
Expert Medical Consultants, Inc.                        12,000                 0             0           12,000   
Garcia, Ray R.                                           1,500             1,500             0                0   
Garrison II, Robert E. (5)                              35,058            35,058             0                0   
Harris, Webb and Garrison, Inc. (5) (7)                171,363           171,363             0                0   
Henry, Heather                                          20,400            15,000             0                0   
Henry, Kimberly A.                                      20,400            15,000             0                0   
Henry, Robert R. (8)                                   277,550            45,000             0                0   
Huque, Khundker Selim                                    3,000             3,000             0                0   
</TABLE>

<TABLE>
<CAPTION>
                                                                      Percentage of
                                                                       Outstanding
                                                      Number of        Shares to be
                                                     Shares to be         Owned
                                                        Owned          Beneficially
                                                     Beneficially         After
Selling                                            After Completion     Completion
Stockholders(1)                                      of Offering      of Offering(2)
- ---------------                                      -----------      --------------
<S>                                                    <C>                <C>
Aries Domestic Fund, L.P. (3)                                0              *
The Aries Fund, A Cayman Island Trust (4)                    0              *
Berkley Corporation                                          0              *
Bridgewater Partners, L.P.                                   0              *
Burke Jr., William R.                                        0              *
C.S.L. Associates, L.P.                                      0              *
Cobbs, Jerald (5) (6)                                        0              *
Cranshire Capital, L.P.                                      0              *
Curran Partners, L.P.                                        0              *
Davis, Richard H.                                            0              *
Duncan, Robert D.                                            0              *
EC Investment Ltd.                                     115,000              *
Expert Medical Consultants, Inc.                             0              *
Garcia, Ray R.                                               0              *
Garrison II, Robert E. (5)                                   0              *
Harris, Webb and Garrison, Inc. (5) (7)                      0              *
Henry, Heather                                           5,400              *
Henry, Kimberly A.                                       5,400              *
Henry, Robert R. (8)                                   232,550             1.3%
Huque, Khundker Selim                                        0              *
</TABLE>

                                     - 11 -

<PAGE>

<TABLE>
<CAPTION>
                                                                                                                  
                                                                                                                  
                                                                                          Number of               
                                                                       Number of       Shares Offered   Number of 
                                                     Number of      Shares Offered      and Acquired      Shares  
                                                       Shares       and Acquired in        in the        Offered  
Selling                                             Beneficially     February 1998       Conversion     Underlying
Stockholders(1)                                        Owned       Private Placement      Agreement      Options  
- ---------------                                        -----       -----------------      ---------      -------  
<S>                                                  <C>               <C>                   <C>         <C>   

Khondker, Zia (5)                                         420              420                    0           0
Cowen & Co. Cust. FBO Brit W. King                      3,000            3,000                    0           0
King, Brit (5)                                            120              120                    0           0
Knutsen, A. Roy                                        40,750           33,750                    0           0
Delaware Charter Guarantee and Trust Company
    Trustee F/B/O Richard T. LeBuhn IRA                16,000           15,000                    0           0
First Trust Corp. Robert LeBuhn Keogh                  64,500           37,500                    0           0
McCash, James O.                                      342,785           75,000                    0           0
Odin Partners, L.P.                                    56,250           56,250                    0           0
Phillips, Charles B. & Deidre JT TEN                      750              750                    0           0
Pisani, B. Michael (9)                                235,500          135,000                    0           0
R.P. Biologicals, Inc. (10)                            53,030                0               50,000           0
Ramsey, James D. (5)                                   77,670           77,670                    0           0
Reza, Mashud M.                                         7,500            7,500                    0           0
Stadler, Martin & Kristine JT TEN (11)                 76,250           75,000                    0           0
Paul L. Trump Trust U/A/Dtd 10/10/80, Revised and   
    Amended 1/9/96                                    125,000           75,000                    0           0
Webb, Richard (5)                                       1,950            1,950                    0           0
Cowen & Co. Cust. FBO David F. Willardson               3,600            3,600                    0           0
Willardson, David K. (12)                               3,444            3,444                    0           0
</TABLE>

<TABLE>
<CAPTION>
                                                                      Percentage of
                                                                       Outstanding
                                                      Number of        Shares to be
                                                     Shares to be         Owned
                                                        Owned          Beneficially
                                                     Beneficially         After
Selling                                            After Completion     Completion
Stockholders(1)                                      of Offering      of Offering(2)
- ---------------                                      -----------      --------------
<S>                                                    <C>                <C>

Khondker, Zia (5)                                            0             *
Cowen & Co. Cust. FBO Brit W. King                           0             *
King, Brit (5)                                               0             *
Knutsen, A. Roy                                          7,000             *
Delaware Charter Guarantee and Trust Company
    Trustee F/B/O Richard T. LeBuhn IRA                  1,000             *
First Trust Corp. Robert LeBuhn Keogh                   27,000             *
McCash, James O.                                       267,785            1.6%
Odin Partners, L.P.                                          0             *
Phillips, Charles B. & Deidre JT TEN                         0             *
Pisani, B. Michael (9)                                 100,500             *
R.P. Biologicals, Inc. (10)                              3,030             *
Ramsey, James D. (5)                                         0             *
Reza, Mashud M.                                              0             *
Stadler, Martin & Kristine JT TEN (11)                   1,250             *
Paul L. Trump Trust U/A/Dtd 10/10/80, Revised and                          
    Amended 1/9/96                                      50,000             *
Webb, Richard (5)                                            0             *
Cowen & Co. Cust. FBO David F. Willardson                    0             *
Willardson, David K. (12)                                    0             *
</TABLE>
                                                                        
Footnotes appear on the following page.

                                     - 12 -

<PAGE>

(*)  Less than one percent.

(1)  The last name of each individual Seller Stockholder is listed first.

(2)  Based upon  shares of Common  Stock  outstanding  as of March 6, 1998 after
     giving effect to shares of Common Stock underlying options or warrants.

(3)  The Selling Stockholder is a limited partnership of which Paramount Capital
     Asset  Management,  Inc.  ("Paramount  Capital")  is the  General  Partner.
     According to a Schedule 13D filed by Paramount  Capital in March 1998,  it,
     along  with  its  sole  shareholder  Lindsay  A.  Rosenwald,  M.D.,  is the
     beneficial owner of an aggregate of 2,250,000 shares of the Common Stock of
     the Company or 12.5% of the Company's outstanding securities.

(4)  The  Selling  Stockholder  is a Cayman  Islands  Trust  of which  Paramount
     Capital is the  Investment  Manager.  According  to a Schedule 13D filed by
     Paramount  Capital  in March  1998,  it,  along  with its sole  shareholder
     Lindsay A.  Rosenwald,  M.D.,  is the  beneficial  owner of an aggregate of
     2,250,000  shares  of the  Common  Stock  of the  Company  or  12.5% of the
     Company's outstanding securities.

(5)  The shares offered represent shares underlying the Placement Agent Warrant.

(6)  Mr. Jerald Cobbs is a principal of HWG who acted as the Placement  Agent in
     the February 1998 Private Placement.

(7)  HWG acted as Placement  Agent in the February 1998 Private  Placement.  The
     shares offered represent shares underlying the Placement Agent Warrant.

(8)  Mr. Robert R. Henry was a director of the Company  until  December 9, 1997.
     His share ownership gives effect to shares  underlying  options he received
     as director of the Company.

(9)  Mr.  B.  Michael  Pisani  was a  consultant  to the  Company  and his share
     ownership  gives  effect to  shares  underlying  options  he  received  for
     services   rendered  and  12,500   shares   owned  by  Granite   Securities
     Corporation, which is a corporation controlled by him.

(10) RPB is a party to the Company's Conversion Agreement. RPB's share ownership
     includes  3,030 shares  owned by Doris L. Graska,  who is the wife of RPB's
     President and CEO.

(11) Mr. Martin F. Stadler is a director of the Company and his share  ownership
     gives  effect to shares  underlying  options he received as director of the
     Company.

(12) Mr.  David K.  Willardson's  offering  includes  444 shares of Common Stock
     underlying the Placement Agent Warrant.




                                     - 13 -

<PAGE>

                              PLAN OF DISTRIBUTION

     Shares of Common  Stock  currently  outstanding  and shares of Common Stock
issuable  upon exercise of the  Warrants,  the  Placement  Agent Warrant and the
Options may be sold  pursuant to this  Prospectus  by the Selling  Stockholders.
These  sales  may  occur  in  privately   negotiated   transactions  or  in  the
over-the-counter  market through brokers and dealers as agents or to brokers and
dealers as principals,  who may receive  compensation  in the form of discounts,
concessions or commissions from the Selling  Stockholders or from the purchasers
of the Common Stock for whom the broker-dealers may act as agent or to whom they
may sell as principal,  or both.  Certain of the Selling  Stockholders  may also
sell  certain of their  shares of Common  Stock  pursuant  to Rule 144 under the
Securities  Act. The Company has been advised by the Selling  Stockholders  that
they have not made any  arrangements  relating to the distribution of the shares
of Common Stock covered by this Prospectus.  In effecting sales,  broker-dealers
engaged by the Selling  Stockholders  may arrange  for other  broker-dealers  to
participate.  Broker-dealers  will receive  commissions  or  discounts  from the
Selling Stockholders in amounts to be negotiated immediately prior to the sale.

     Upon being notified by a Selling Stockholder that any material  arrangement
(other than a customary  brokerage account agreement) has been entered into with
a broker or dealer for the sale of shares  through a block trade,  purchase by a
broker or dealer, or similar  transaction,  the Company will file a supplemented
Prospectus  pursuant to Rule 424(c) under the  Securities Act disclosing (a) the
name of each such  broker-dealer,  (b) the  number of shares  involved,  (c) the
price at which such shares were sold, (d) the  commissions  paid or discounts or
concessions  allowed  to such  broker-dealer(s),  (e) if  applicable,  that such
broker-dealer(s) did not conduct any investigation to verify the information set
out or incorporated by reference in the Prospectus, as supplemented, and (f) any
other facts material to the transaction.

     Certain of the  Selling  Stockholders  and any  broker-dealers  who execute
sales for the Selling Stockholders may be deemed to be "underwriters" within the
meaning of the  Securities Act by virtue of the number of shares of Common Stock
to be sold or resold by such persons or entities or the manner of sale  thereof,
or both.  If any of the Selling  Stockholders,  broker-dealers  or other holders
were determined to be  underwriters,  any discounts,  concessions or commissions
received by them or by brokers or dealers acting on their behalf and any profits
received by them on the resale of their  shares of Common  Stock might be deemed
underwriting discounts and commissions under the Securities Act.

     The Selling  Stockholders have represented to the Company that any purchase
or sale of the Common Stock by them will be in compliance with the Exchange Act.
In general,  Rule 102 under Regulation M ("Regulation M") under the Exchange Act
prohibits any person connected with a distribution of the Company's Common Stock
(the  "Distribution") from directly or indirectly bidding for, or purchasing for
any account in which he has a beneficial interest, any Common Stock or any right
to purchase  Common Stock, or attempting to induce any person to purchase Common
Stock or rights to purchase Common Stock, for a period of one business day prior
to and subsequent to completion of his  participation in the  Distribution  (the
"Distribution Period").

     During the  Distribution  Period,  Rule 104 ("Rule 104") under Regulation M
prohibits  the  Selling  Stockholders  and  any  other  person  engaged  in  the
Distribution from engaging in any stabilizing bid or purchasing the Common Stock
except for the purpose of  preventing  or retarding a decline in the open market
price of the Common Stock. No such person may effect any stabilizing transaction
to facilitate any offering at the market.  Inasmuch as the Selling  Stockholders
will be  reoffering  and  reselling  the Common  Stock at the  market,  Rule 104
prohibits them from effecting any stabilizing  transaction in  contravention  of
Rule 104 with respect to the Common Stock.

                                     - 14 -

<PAGE>

                                  LEGAL MATTERS

     The legality of the shares of Common Stock  offered  hereby has been passed
on for the Company by Dorsey & Whitney LLP, New York, New York.

                                     EXPERTS

     The  financial  statements of Alfacell  Corporation  (a  development  stage
company)  as of July  31,  1997  and  1996  and for  each  of the  years  in the
three-year  period ended July 31, 1997,  and for the period from August 24, 1981
(date of inception) to July 31, 1997, have been incorporated by reference herein
and in the  Registration  Statement  in  reliance  upon the  report of KPMG Peat
Marwick LLP, independent certified public accountants, incorporated by reference
herein,  and upon the  authority  of said  firm as  experts  in  accounting  and
auditing.  The report of KPMG Peat  Marwick  LLP as it relates to the  financial
statements  for the period from August 24, 1981 (date of  inception) to July 31,
1997 is based on the report of Armus Harrison as to the amounts included therein
for the period  from  August  24,  1981 (date of  inception)  to July 31,  1992,
although  Armus  Harrison has not consented to the use of such report herein and
will not be available to perform any subsequent  review  procedures with respect
to such report.





================================================================================
The  financial  statements  of the  Company  from  inception  to July  31,  1992
incorporated by reference into this Registration Statement,  were audited by the
independent  accounting  firm of Armus  Harrison.  The accounting  firm of Armus
Harrison  dissolved and ceased all operations in June, 1996. As a result of such
dissolution,  investors  seeking to sue and recover  damages from Armus Harrison
for material  misstatements or omissions,  if any, in the registration statement
or prospectus, including the financial statements, may be unable to do so. Armus
Harrison  has not  consented  to the use of its  audit  report  and as a result,
investors  seeking to recover  damages  pursuant to Section 11 of the Securities
Act against Armus Harrison for false and misleading  statements,  if any, may be
limited,  and the lack of such consent may preclude directors or officers of the
Company from asserting a due diligence  defense in connection  with a Section 11
action.
================================================================================

                                     - 15 -




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