INTERFERON SCIENCES INC
S-3, 2000-08-04
BIOLOGICAL PRODUCTS, (NO DIAGNOSTIC SUBSTANCES)
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As filed with the Securities and Exchange Commission on August 4, 2000

                                                  Registration No. 333-_______

================================================================================

                       SECURITIES AND EXCHANGE COMMISSION
                             WASHINGTON, D.C. 20549

          ------------------------------------------------------------
                                    FORM S-3
             REGISTRATION STATEMENT UNDER THE SECURITIES ACT OF 1933

          ------------------------------------------------------------

                         INTERFERON SCIENCES, INC.
             (Exact name of registrant as specified in its charter)

            Delaware                                22-2313648
 (State or other jurisdiction of                    (I.R.S. Employer
   incorporation or organization)                   Identification Number)
          ------------------------------------------------------------

                                783 JERSEY AVENUE
                            NEW BRUNSWICK, NJ  08901
                                 (732) 249-3250

  (Address,        including zip code,  and  telephone  number,  including  area
                   code, of registrant's principal executive offices)

                                         LAWRENCE M. GORDON, ESQ.
                             Chief Executive Officer

                            Interferon Sciences, Inc.

                                783 Jersey Avenue

                         New Brunswick, New Jersey 08901

                                 (732) 249-3250

(Name, address, including zip code, and telephone number, including area code,
                             of agent for service)

                                    Copy to:

                                          ROBERT J. HASDAY, ESQ.
                          Duane, Morris & Heckscher LLP

                              380 Lexington Avenue

                            New York, New York 10168

                                 (212) 692-1010

                                  -------------

APPROXIMATE  DATE OF  COMMENCEMENT  OF PROPOSED  SALE TO THE PUBLIC:  As soon as
practicable after this Registration Statement becomes effective.

         If the only securities  being registered on this form are being offered
pursuant to dividend or interest  reinvestment plans, please check the following
box. [ ]

If any of the  securities  being  registered on this Form are to be offered on a
delayed or continuous  basis  pursuant to Rule 415 under the  Securities  Act of
1933,  other than the  securities  offered only in  connection  with dividend or
interest reinvestment plans, check the following box. [X]

         If this Form is filed to register additional securities for an offering
pursuant to Rule 462(b) under the Securities Act, please check the following box
and list  the  Securities  Act  registration  statement  number  of the  earlier
effective registration statement for the same offering. [ ]

         If this  Form is a  post-effective  amendment  filed  pursuant  to Rule
462(c)under  the Securities Act, check the following box and list the Securities
Act  registration   statement  number  of  the  earlier  effective  registration
statement for the same offering. [ ]

         If delivery of the  prospectus  is expected to be made pursuant to Rule
434, please check the following box. [ ]

<TABLE>
<CAPTION>

                         CALCULATION OF REGISTRATION FEE

                                                    Proposed Maximum       Proposed
                                                     Offering Price        Maximum
    Title of Each Class of                              Per Share         Aggregate          Amount of
          Securities                Amount to                           Offering Price   Registration Fee
       to be Registered           be Registered

<S>                                  <C>                   <C>          <C>                    <C>

Common Stock, par value $.01         23,312,302(1)        $1.56        $36,367,191            $9,600.94(2)
per share


(1)  The securities  being  registered  hereby consist of shares of common stock
     offered from time to time for resale by certain selling  security  holders,
     including  shares  issuable  upon  exercise of  warrants.  Also  registered
     hereunder is such indeterminate number of additional shares of common stock
     that may become issuable pursuant to the  anti-dilution  provisions of such
     warrants.

(2)  Estimated pursuant to Rule 457(c) solely for the purpose of calculating the
     amount of the  registration  fee and based upon the average of the high and
     low prices per share of the common stock, on August 1, 2000, as reported on
     the OTC Bulletin Board, of $1.56.

</TABLE>

         THE REGISTRANT HEREBY AMENDS THIS  REGISTRATION  STATEMENT ON SUCH DATE
OR DATES AS MAY BE NECESSARY TO DELAY ITS  EFFECTIVE  DATE UNTIL THE  REGISTRANT
SHALL FILE A FURTHER AMENDMENT WHICH SPECIFICALLY  STATES THAT THIS REGISTRATION
STATEMENT SHALL  THEREAFTER  BECOME EFFECTIVE IN ACCORDANCE WITH SECTION 8(a) OF
THE  SECURITIES  ACT OF 1933 OR UNTIL THE  REGISTRATION  STATEMENT  SHALL BECOME
EFFECTIVE ON SUCH DATE AS THE COMMISSION,  ACTING PURSUANT TO SAID SECTION 8(a),
MAY DETERMINE.

         INFORMATION IN THIS  PROSPECTUS IS NOT COMPLETE AND MAY BE CHANGED.  WE
MAY NOT SELL THESE SECURITIES  UNTIL THE  REGISTRATION  STATEMENT FILED WITH THE
SEC IS EFFECTIVE.  THIS IS NOT AN OFFER TO SELL THESE  SECURITIES  AND IT IS NOT
SOLICITING AN OFFER TO BUY THESE SECURITIES IN ANY STATE WHERE THE OFFER OR SALE
IS NOT PERMITTED.


<PAGE>


PROSPECTUS                                                SUBJECT TO COMPLETION
                                                             August 4, 2000



                            INTERFERON SCIENCES, INC.

                        23,312,302 SHARES OF COMMON STOCK

         We have prepared this  prospectus to allow the selling  stockholders we
identify  herein to sell up to  23,312,302  shares of our  common  stock  (which
includes  11,735,451 shares of common stock issuable upon exercise of warrants).
We will not receive  any of the  proceeds  from the sale of common  stock by the
selling stockholders.  However, we could receive up to $17,353,177 upon exercise
of the warrants.  Any proceeds we receive from the exercise of the warrants will
be used for general corporate purposes.

         Our common stock is traded on the OTC  Bulletin  Board under the symbol
"IFSC." On August 2, 2000,  the last  reported sale price of our common stock on
the OTC Bulletin Board was $1.625 per share.

INVESTING IN OUR COMMON STOCK INVOLVES A HIGH DEGREE OF RISK. SEE "RISK FACTORS"
BEGINNING ON PAGE 4.


NEITHER THE SEC NOR ANY STATE  SECURITIES  COMMISSION  HAS  APPROVED  THE COMMON
STOCK NOR HAVE THESE  ORGANIZATIONS  DETERMINED THAT THIS PROSPECTUS IS ACCURATE
OR COMPLETE. ANY REPRESENTATION TO THE CONTRARY IS A CRIMINAL OFFENSE.

                  The date of this prospectus is August __, 2000.


<PAGE>


                                   THE COMPANY

         Interferon Sciences, Inc. is a biopharmaceutical company which studies,
manufactures,  and sells  pharmaceutical  products based on its highly purified,
multispecies,  natural source alpha interferon ("Natural Alpha Interferon"). Our
ALFERON N  Injection(R)  (Interferon  Alfa-n3)  product has been approved by the
United States Food and Drug Administration  ("FDA") for the treatment of certain
types of genital warts and we have studied its potential use in the treatment of
HIV, hepatitis C, and other  indications.  We have also studied ALFERON N Gel(R)
and  ALFERON  LDO(R),  our  topical  and  oral  formulations  of  Natural  Alpha
Interferon,  for the potential treatment of viral and immune system diseases. In
addition,  we are seeking to enter into  collaborations  with  companies  in the
areas of cancer, infectious diseases, and immunology. Our strategy is to utilize
our  expertise  in  regulatory  affairs,  clinical  trials,  manufacturing,  and
research  and  development  to  acquire  equity  participations  in early  stage
companies. Our principal executive offices are located at 783 Jersey Avenue, New
Brunswick, New Jersey 08901, and our telephone number is (732) 249-3250.

                                  RISK FACTORS

         You should  carefully  consider the following  factors,  as well as the
other information in this prospectus, before purchasing our common stock.

         You should be  cautioned  that the  following  important  factors  have
affected,  and in the future  could  affect,  our actual  results.  There may be
additional  factors  not  discussed  in this  prospectus  that could also affect
future results. These factors could cause our future financial results to differ
materially  from those expressed in any  forward-looking  statements made by us.
Forward-looking statements may relate to such matters as:

-        our ability to generate future revenues;

-        the potential commercialization of our products; and

-        our ability to enter into future business collaborations and marketing
         partnerships.

         Forward-looking  statements may include words such as "will," "should,"
"could,"  "anticipate,"  "believe," "plan," "estimate,"  "expect," "intend," and
other similar  expressions.  This list does not constitute all factors which you
should consider prior to making an investment  decision in our  securities.  You
should  also not assume  that the  information  contained  herein is complete or
accurate in all respects after the date of this filing.  We disclaim any duty to
update the statements contained herein.

HISTORY OF OPERATING LOSSES; UNCERTAINTY OF FUTURE FINANCIAL RESULTS.

         We have experienced significant operating losses since our inception in
1980. For the years ended December 31, 1999,  1998, and 1997, we had losses from
operations of $5.4 million, $20.8 million, and $22.4 million,  respectively.  We
expect such losses to continue  until  significant  sales of ALFERON N Injection
occur, or we enter into successful collaborations with other companies. Although
we received  approval to market ALFERON N Injection for the treatment of genital
warts from the FDA in October 1989 and from certain foreign countries many years
ago, we have had only  limited  revenues  from the sale of ALFERON N  Injection.
There can be no  assurance  that sales of ALFERON N Injection  will ever reach a
level which will enable us to operate profitably.  Future financial results will
be affected by, among other things, the following factors:

-        our ability to increase the market for ALFERON N Injection;

-        the willingness of potential strategic partners to market ALFERON N
         Injection;

-        our ability to enter into collaborations with promising companies;

-        the costs related to any new collaborations with other companies;

-        the progress of our research and development programs;

-        the progress of our preclinical and human clinical studies;

-        the time, costs, and ability of obtaining regulatory approvals for
         those products subject to such approvals;

-        our ability to protect our proprietary rights;

-        the costs of protecting our patent claims;

-        competing technological and market developments;

-        manufacturing costs associated with our various products and potential
         products; and

-        the costs of commercializing and marketing our products.

NEED FOR ADDITIONAL CAPITAL.

         Additional funds will be required to:

-        enable us to continue our research and development activities;

-        conduct preclinical and clinical studies;

-        fund our obligations in any new collaborations with other companies;and

-        manufacture and market our products.

         Management is likely to pursue various financing alternatives to obtain
         these funds, including:

-        equity issuances;

-        lease financing;

-        collaborative arrangements with partners; and/or

-        asset-based financing.

         The level of expenditures  required for these activities will depend in
part on the  extent  to which we  develop,  manufacture,  and  market  ALFERON N
Injection   independently   or  with  other  companies   through   collaborative
arrangements.  Our future  capital  requirements  will also depend,  among other
things, on one or more of the following factors:

-        our obligations in any new collaborations;

-        the extent and progress of our research and development programs;

-        the progress of preclinical and clinical studies;

-        the time and costs of obtaining regulatory clearances for those
         products subject to such clearances;

-        the costs involved in filing, protecting, and enforcing patent claims;

-        competing technological and market developments;

-        the cost of capital expenditures at our manufacturing facilities;

-        the costs of marketing and commercializing our products; and

-        our ability to attract partners to help market and/or manufacture our
         products.

         There is no assurance that funding to carry on these activities will be
available at all or on favorable terms to permit successful commercialization of
ALFEERON N  Injection  or of any  products  which we  collaborate  on with other
companies

         If adequate funds are not available, we may be required to:

-        curtail one or more of our research and development programs;

-        curtail manufacturing and commercialization programs; and/or

-        obtain funds through arrangements with collaborative partners or
         others, if possible.

         These  arrangements may require us to relinquish  certain technology or
product rights, including patent and other intellectual property rights.

NO GUARANTEED SOURCE OF REQUIRED MATERIALS.

         We use a number of essential  materials in the  production of ALFERON N
Injection,  including  human white blood cells,  and we have a limited number of
sources from which to obtain such materials. We do not have long-term agreements
for the supply of any of such materials.  There can be no assurance we can enter
into long-term supply agreements  covering  essential  materials on commercially
reasonable  terms,  if at all.  If we are  unable to  obtain  the  required  raw
materials, we may be required to scale back our operations or stop manufacturing
ALFERON N Injection.  The costs and  availability  of products and  materials we
need for the  commercial  production of ALFERON N Injection  and other  products
which we may  commercially  produce are subject to  fluctuation  depending  on a
variety of factors beyond our control, including competitive factors, changes in
technology,  and FDA and  other  governmental  regulation  and  there  can be no
assurance  that we will be able to obtain such  products and  materials on terms
acceptable to us or at all.

LIMITED MARKETING PROGRAM.

         In  June  1998,   we  entered   into  an  agreement   with   Integrated
Commercialization  Services,  Inc.  ("ICS"),  a  subsidiary  of Bergen  Brunswig
Corporation,  pursuant to which ICS became the sole United States distributor of
ALFERON  N  Injection.  ICS also  provides  clinical  and  product  information,
reimbursement  information  and services,  and  management of patient  assistant
services.  In  addition,  we  currently  have  marketing  arrangements  for  the
distribution   of  ALFERON  N  Injection  in  Mexico  and  Germany.   Unless  we
successfully  develop  our own sales  force or enter into  additional  marketing
arrangements  with other  companies,  we will be dependent on the ability of our
current  distributors  to sell  sufficient  quantities of ALFERON N Injection to
allow us to operate  profitably.  There can be no assurance that we will be able
to develop our own sales force or enter into additional  marketing agreements on
acceptable terms, if at all, or that we will be able to successfully  market and
sell ALFERON N Injection or any other product.

PRODUCTS UNDER DEVELOPMENT.

         We are currently  evaluating the development of ALFERON N Injection for
the treatment of multiple  sclerosis  and certain  types of cancer.  We are also
planning a clinical  study  testing  ALFERON N Injection  and  certain  ablative
therapies  (such as  laser  treatment,  cryosurgery,  and  acid) as  combination
therapy for the treatment of genital warts.  However,  there can be no assurance
that these products will be  cost-effective,  safe, or effective  treatments for
these diseases,  and there is no assurance of receiving  regulatory approvals to
market these  products.  We cannot market such products until such approvals are
obtained.  Even if such  approvals are obtained,  there can be no assurance that
any of these products will be successful or will produce significant revenues or
profits.  Our ability to become profitable depends on the successful  commercial
development  of these  products or our entering into  successful  collaborations
with other companies.

POTENTIAL SIDE EFFECTS.

         We  manufacture  and sell  only one FDA  approved  product,  ALFERON  N
Injection for the treatment of refractory or recurring external genital warts in
adults.  In clinical  trials  conducted  for the treatment of genital warts with
ALFERON N Injection,  patients did not experience serious side effects; however,
there can be no assurance that unexpected or unacceptable  side effects will not
be found in the future for this use or other  potential  uses of this product or
for any other product  which we may develop  which could  threaten or limit such
product's usefulness.

RISK OF PRODUCT LIABILITY.

         Our products have undergone or will undergo extensive  clinical testing
prior to the granting of any  regulatory  approval for the purpose,  among other
things,  of determining the safety of such products.  We may sell products which
cause unexpected adverse reactions or result in an allergic or other reaction or
which are alleged to have unacceptable  adverse side effects.  Product liability
risk  is  inherent  in the  testing,  manufacture,  marketing,  and  sale of our
products,  and  there  can be no  assurance  that  we  will  be  able  to  avoid
significant product liability exposure.  Such liability might result from claims
made directly by consumers or by pharmaceutical companies or others selling such
products. It is impossible to predict the scope of injury or liability from such
unexpected  reactions,  or the  measure of damages  which  might be imposed as a
result of any claims or the cost of  defending  such  claims.  We have a product
liability  insurance  policy in the amount of  $10,000,000.  Although we believe
this  amount  is  sufficient,  there  is no  assurance  that  we will be able to
maintain  such  coverage,  and even if we do  maintain  it, in the event that we
become  subject to liability  claims in excess of any insurance  coverage we may
have in effect,  we may not have sufficient  assets or liquidity to satisfy such
claims  which  could  result  in  the  inability  to  continue  our  operations.
Furthermore,  any published  reports or rumors  suggesting a link between any of
our products and injury to a person could be expected to  materially  impair our
ability to market such product.

SUBSTANTIAL COMPETITION.

         Many of our potential competitors are among the largest  pharmaceutical
companies in the world, are well known to the public and the medical  community,
and have substantially  greater financial resources,  product  development,  and
manufacturing and marketing capabilities than we or our marketing partners have.

         In  the  United   States  and  Mexico,   we   currently   compete  with
Schering-Plough  Corp.'s ("Schering")  injectable recombinant interferon product
for the treatment of genital warts.  Minnesota  Mining & Manufacturing  Co. also
received  FDA  approval  for  its   immune-response   modifier,   Aldara(R),   a
self-administered  topical cream, for the treatment of genital warts.  ALFERON N
Injection also competes with surgical,  chemical,  and other methods of treating
genital warts. We cannot assess the impact products developed by our competitors
or advances in other  methods of the treatment of genital warts will have on the
commercial viability of ALFERON N Injection.

         If and when we obtain additional approvals of uses of our products,  we
expect to compete primarily on the basis of product  performance.  Our potential
competitors  have  developed or may develop  products  (containing  either alpha
interferon or other  therapeutic  compounds) or other  treatment  modalities for
those uses. In the United States,  two recombinant forms of beta interferon have
been approved for the treatment of relapsing-remitting multiple sclerosis. There
can be no  assurance  that,  if we are able to  obtain  regulatory  approval  of
ALFERON N Injection  for the  treatment of new  indications,  we will be able to
achieve any significant  penetration  into those markets.  In addition,  because
certain of the competitive products are not dependent on a source of human blood
cells, such products may be able to be produced in greater volume and at a lower
cost than ALFERON N Injection.

         Currently,  our  wholesale  price on a per  unit  basis  of  ALFERON  N
Injection is substantially higher than that of the competitive recombinant alpha
interferon products.

         Other companies may succeed in developing  products earlier than we do,
obtaining  approvals  for such products from the FDA more rapidly than we do, or
developing products that are more effective than those we may develop.  While we
will  attempt  to  expand  our  technological  capabilities  in order to  remain
competitive,  there can be no assurance that research and  development by others
or other medical advances will not render our technology or products obsolete or
non-competitive  or result in  treatments  or cures  superior  to any therapy we
develop.

POTENTIAL PATENT INFRINGEMENT CLAIMS.

         On March 5, 1985, the United States Patent and Trademark  Office issued
a patent to Hoffmann-La Roche, Inc.  ("Hoffmann")  claiming purified human alpha
(leukocyte) interferon  (regardless of how it is produced).  F. Hoffmann-LaRoche
Ltd.  ("Roche"),  the parent of Hoffmann,  also has been issued patents covering
human alpha  interferon in many countries  throughout the world. As of March 31,
1995,  we obtained a  non-exclusive  perpetual  license from  Hoffmann and Roche
which grants us the worldwide rights to make, use, and sell, without a potential
patent  infringement  claim from Hoffmann or Roche,  any  formulation of Natural
Alpha Interferon.  The license permits us to grant marketing rights with respect
to Natural Alpha  Interferon  products to third  parties,  except that we cannot
grant marketing rights with respect to injectable  formulations of Natural Alpha
Interferon in any country in which  Hoffmann or Roche has patent rights  covered
by the license to any third party not listed on a schedule of  approximately  50
potential  marketing  partners without the consent of Hoffmann and Roche,  which
consent cannot be unreasonably withheld.  There can be no assurance that we will
not want to grant  such  marketing  rights to a third  party not  listed on such
schedule,  or that Hoffmann and Roche will not withhold the required consent. In
addition,  if such  license  were  terminated,  we may be  subject  to a  patent
infringement  lawsuit by Hoffmann  and Roche if we  continue  to market  Natural
Alpha Interferon products.  If such a suit were brought, we would have to either
counterclaim  to attempt to  invalidate  the Hoffmann and Roche patents or prove
that we do not infringe such patents.

         In addition, there may have been other patent applications filed in the
United States and in foreign countries, some of which may have been filed by our
potential competitors, with respect to the technologies and/or products which we
may require to produce our current and proposed products. If any of such patents
issue in the United  States or in foreign  countries  in a form which covers our
products  or  processes,  we would be  required  to obtain  licenses  under such
patents in connection with the domestic and international  commercialization  of
such products. There can be no assurance that we could obtain licenses under any
of such  patents if so issued,  particularly  if they were  issued to  companies
directly in competition with us, or that, even if we could obtain  licenses,  we
could do so on commercially reasonable terms.

         If the sale or use of any of our products were to become the basis of a
patent  infringement  lawsuit,  assuming  we  could  not  obtain  a  license  on
satisfactory terms, we may be required to incur substantial litigation expenses,
and such litigation could also consume substantial  management time, which could
have a material  adverse  effect upon our  financial  condition  even if we were
successful in the litigation.  If we were not successful in such litigation,  we
may be required  to pay a royalty  for the use of the  claimed  patents or cease
producing  the  products  and  redevelop  the products in such a way as to avoid
infringing  any claimed  patent  rights.  There can be no assurance in such case
that we could  obtain a license  under such patents on  commercially  reasonable
terms or at all, or that we could  successfully  redevelop  the products to fall
outside the scope of the claim.

         Our policy is to seek  licenses  if we  believe  that the terms of such
licenses,  when  weighed  against  the expense and  uncertainties  of  potential
litigation, are cost effective.

POSSIBLE INABILITY TO PROTECT TECHNOLOGY.

         To a  significant  extent,  the  ability of the  Company to protect its
rights in any products or technology it may develop  depends upon its ability to
obtain  suitable  patent or similar  protection.  The  ability of the Company to
obtain patents,  and the nature,  extent, and enforceability of the intellectual
property rights that are obtained as a result of the Company's research, involve
complex legal and factual issues.  New technology and products  developed by the
Company  may not qualify for patent  protection  or, if they do qualify,  may be
subject to challenge or to protracted  judicial  proceedings.  In addition,  the
Company may determine not to seek additional  patent or other protection for its
technology or products.  It is not certain that other patents will be issued or,
if  issued,  that they will  afford  the  Company  protection  from  competitive
products.  Although  the  Company's  practice  is to require its  technical  and
scientific  employees  and  consultants  to execute  confidentiality  agreements
covering proprietary information, there can be no assurance that others will not
independently make similar discoveries or otherwise obtain access to proprietary
information of the Company. In addition, the Company has a non-exclusive license
agreement  with  Hoffmann  and  Roche  which  enables  the  Company  to sell its
products.  There can be no assurance  that  Hoffmann or Roche has not granted or
will not grant a similar  license to another company with  considerably  greater
financial,  technical, and marketing resources than the Company or that Hoffmann
or Roche will not enter the market itself with a competitive product.

         While the Company has recently  been issued a United  States patent for
Natural Alpha Interferon produced from human peripheral blood leukocytes and its
production process and has several patent  applications  pending, it is possible
that others have or may develop  equivalent or superior products or technologies
which would not fall within the scope of the  Company's  patent  claims or which
might  involve  inventions  similar in scope to those of the  Company  for which
patent or  similar  rights  are  obtained  by others  prior to the time that the
Company is able to do so.

REGULATORY APPROVALS.

         The production  and marketing of our products in the United States,  as
well  as our  ongoing  research  and  development  activities,  are  subject  to
regulation by governmental agencies, most significantly the FDA. Such regulation
includes  requirements for obtaining FDA approval prior to marketing each of our
products in the United  States.  In order to obtain such FDA  approval,  we must
demonstrate, among other things, the safety and efficacy of each product through
pre-clinical and clinical testing.  Obtaining such approvals is a time-consuming
process and requires the expenditure of substantial resources.  Each facility in
which the products are produced and packaged,  whether operated by us or a third
party,  must meet the FDA's standards for current good  manufacturing  practices
and must also be approved prior to marketing any product produced or packaged in
such facility.  Any  significant  change in the production  process which may be
commercially required, including changes in sources of certain raw materials, or
any change in the location of the  production  facilities  will also require FDA
approval. To the extent we do not handle a specific portion of the manufacturing
process  for  a  product,  we  must  similarly  receive  FDA  approval  for  the
participation by such third party in the manufacturing  process. For example, we
have an agreement with Abbott  Laboratories,  Inc.  ("Abbott") pursuant to which
Abbott formulates and packages ALFERON N Injection. We presently have a biologic
establishment  license  for  the  facilities  in  which  we  produce  ALFERON  N
Injection, which includes the facilities in which Abbott formulates and packages
ALFERON N Injection.  If our or Abbott's present  manufacturing  facilities were
damaged or destroyed or our agreement with Abbott were terminated,  there can be
no assurance  that FDA approval  could be obtained for another  facility or that
another  facility  could  be  built  and  approved  on  a  timely  basis  or  on
commercially  reasonable terms.  Delays in obtaining,  or the failure to obtain,
any necessary  regulatory  approvals could have a material adverse effect on our
ability to develop,  produce, and sell our products.  In addition, if we fail to
comply in any respect with FDA  requirements  with respect to the production and
marketing of biological  drug products,  we could be subject to potential  civil
and criminal  penalties.  In addition,  our products could be subject to seizure
and other civil enforcement  action.  Because of the uncertain nature of many of
these  requirements,  there can be no assurance that regulatory problems of this
type will not occur.

FOREIGN REGULATORY APPROVALS.

         To market our products outside of the United States,  we are subject to
numerous and varying  foreign  regulatory  requirements,  implemented by foreign
health  authorities,  governing the design and conduct of human clinical  trials
and marketing  approval.  The approval  procedure varies among countries and can
involve additional testing,  and the time required to obtain approval may differ
from that  required  to obtain  FDA  approval.  At  present,  foreign  marketing
authorizations   are  applied  for  at  a  national  level,   although   certain
registration  procedures  are available  within the European Union (the "EU") to
companies  wishing to market a product in more than one EU member country.  If a
regulatory authority is satisfied that adequate evidence of safety, quality, and
efficacy has been presented,  marketing  authorization is usually  granted.  The
foreign  regulatory  approval  process includes all of the risks associated with
obtaining  FDA  approval  set forth  above.  Approval by the FDA does not ensure
approval by other  countries.  There can be no assurance  that our products will
receive such  approvals.  In addition,  under certain  circumstances,  we may be
required  to obtain FDA  authorization  to export  products  for sale in foreign
countries. For instance, in most cases, we may not export products that have not
been  approved by the FDA unless we first obtain an export  permit from the FDA.
However,  these FDA export  restrictions  generally do not apply if our products
are  exported  in  conformance   with  their  United  States  approvals  or  are
manufactured  outside the United States. At the present time, we do not have any
foreign manufacturing facilities.

ROYALTY OBLIGATIONS.

         We have entered into certain  license  agreements  pursuant to which we
are obligated to pay royalties  based upon the  commercial  exploitation  of our
products. Royalty payments under such license agreements with respect to ALFERON
N Injection,  ALFERON N Gel, and ALFERON LDO could aggregate up to 9.5%,  13.5%,
and  19.5%,  respectively,  of our net  sales  of such  products.  Such  royalty
obligations,  together with any additional  royalties which may become obligated
to pay in the future,  may limit our  marketing  strategies  and prevent us from
obtaining  adequate  profit margins and could have a material  adverse effect on
the commercial exploitation of our products.

         In connection with the acquisition of certain intellectual property and
technology rights from GP Strategies  Corporation  ("GP"), we agreed to pay GP a
royalty of $1 million.  Such  amount is payable if and when we  generate  income
before income taxes,  limited to 25% of such income before income taxes per year
until such amount is paid in full.

RETENTION OF KEY PERSONNEL.

         Because of the  specialized  scientific  nature of our business,  it is
necessary  to attract and retain  personnel  with a wide  variety of  scientific
capabilities.  Competition  for  such  personnel  is  intense.  There  can be no
assurance  that we  will  continue  to  attract  and  retain  personnel  of high
scientific  caliber.  Other than Mr. Gordon,  our Chief Executive  Officer,  Dr.
Schutzbank, our President, and Dr. Ronel, our Chairman of the Board, none of our
other key employees have employment agreements.  We do not maintain key man life
insurance  for  any of our  key  employees  and do not  intend  to  obtain  such
insurance.  If we lose the services of certain of our employees, it could have a
material adverse effect on the Company's operations.

PREFERRED STOCK.

         Our  charter  allows us to issue up to  5,000,000  shares of  preferred
stock, the rights, preferences, qualifications, limitations, and restrictions of
which may be fixed by the Board of Directors  without any further vote or action
by the  stockholders.  The ability to issue the  preferred  stock could have the
effect of delaying, deferring, or preventing the change of control of ISI.

OPTIONS AND WARRANTS.

         As of August 4, 2000, the Company had outstanding  options and warrants
to purchase  13,329,526  shares of common stock. For the life of the outstanding
options and warrants, the holders are given, at nominal cost, the opportunity to
profit  if the price for the  common  stock in the  public  market  exceeds  the
exercise  price  of the  options  or  warrants,  without  assuming  the  risk of
ownership,  with a resulting dilution in the interest of other security holders.
If the public  market price of the common stock does not rise above the exercise
price  of the  options  or  warrants  during  the  exercise  period,  then  such
securities  will  expire  worthless.  As long  as the  outstanding  options  and
warrants  remain  unexercised,  the terms under which the Company  could  obtain
additional  capital may be adversely  affected.  Moreover,  the holders of these
securities may be expected to exercise them at a time when the Company would, in
all  likelihood,  be able to obtain any needed  capital by a new offering of its
securities on terms more favorable than those provided by these securities.

POSSIBLE VOLATILITY OF STOCK PRICE; LIMITED LIQUIDITY; ABSENCE OF DIVIDENDS.

         The market  price of our common  stock may  experience  a high level of
volatility,  as frequently occurs with publicly traded emerging growth companies
and biosciences  companies.  The market price of our stock may be  significantly
impacted, among other things, by:

-        announcements of technological innovations or new commercial products
         by us or our competitors;

-        developments or disputes concerning patent or proprietary rights;

-        publicity regarding actual or potential medical results relating to
         products under development by us or our competitors;

-        general regulatory developments affecting our products in both the
         United States and foreign countries;

-        market conditions for emerging growth companies and biosciences
         companies and economic and other internal and external factors;

-        period-to-period fluctuations in financial results; and

-        our ability to enter into collaborations with third parties to market
         our products.

         We have never  declared or paid any cash  dividends on our common stock
and do not intend to do so for the foreseeable future.

SHARES ELIGIBLE FOR FUTURE SALE; REGISTRATION RIGHTS

         As of August 4, 2000, we had  16,622,924  outstanding  shares of common
stock,  approximately  5.4 million of which are available for sale in the public
marketplace  and the remaining  approximately  11.2 million of which will become
available  for sale on  October  13,  2000.  There were also  outstanding  stock
options to purchase an aggregate of 1,887,260  shares of common stock at a price
of $ .25 per share and warrants to purchase 11,235,451 shares of common stock at
a price of $1.50 per share.  Shares of common  stock  which may be issued  under
outstanding  options  and  warrants  will be  available  for sale in the  public
markets.  In addition,  certain  holders of the common stock have certain demand
and piggyback  registration  rights pursuant to a registration  rights agreement
between ISI and these holders.  No prediction  can be made as to the effect,  if
any, that sales of shares of common stock or the availability of such shares for
sale will have on the market prices of the common stock  prevailing from time to
time. The possibility  that  substantial  amounts of common stock may be sold in
the public market may adversely affect  prevailing  market prices for the common
stock. This could impair our ability to raise capital through the sale of equity
securities.  Further, if we were required to include shares, through exercise of
the  outstanding   piggyback   registration   rights,  in  a   company-initiated
registration,  the sale of such shares could have a material  adverse  effect on
our ability to raise additional capital.

                       WHERE YOU CAN FIND MORE INFORMATION

         We file annual,  quarterly and special  reports,  proxy  statements and
other information with the SEC. Our SEC filings are available to the public over
the Internet at the SEC's web site at http://www.sec.gov.  You may also read and
copy any document we file at the SEC's  public  reference  rooms in  Washington,
D.C.,  New  York,  New  York  and  Chicago,  Illinois.  Please  call  the SEC at
1-800-732-0330 for further information on the public reference rooms.

         The SEC allows us to "incorporate by reference" the information we file
with them,  which means that we can  disclose  important  information  to you by
referring you to these documents.  The information  incorporated by reference is
an important part of this  prospectus,  and information  that we file later with
the SEC will automatically update and supersede this information. We incorporate
by reference the documents listed below and any future filings made with the SEC
under Section 13(a),  13(c), 14 or 15(d) of the Securities  Exchange Act of 1934
until the selling stockholders sell all of their common stock:

-        Annual Report on Form 10-K for the year ended December 31,1999, as
         amended; and

-        Quarterly Reports on Form 10-Q for the quarters ended March 31, 2000
         and June 30, 2000.

         To  obtain  a copy of  these  filings  at no  cost,  you may  write  or
telephone us at the following address:

                           Chief Financial Officer
                           Interferon Sciences, Inc
                           783 Jersey Avenue
                           New Brunswick, New Jersey  08901
                           (732) 249-3250

         This prospectus contains forward-looking  statements relating to future
events  or  our  future  financial   performance.   These  statements  are  only
predictions  and actual events or results may be materially  different  from our
predictions.  In evaluating  these  statements,  you should consider the various
factors identified in this prospectus,  including but not limited to the matters
set forth under the heading "Risk  Factors," which could cause actual results to
differ materially from those indicated by such forward-looking statements.

         You should rely only on the  information  incorporated  by reference or
provided in this  prospectus or any  prospectus  supplement.  Neither we nor the
selling  stockholders  have authorized anyone else to provide you with different
information.  Neither  we nor the  selling  stockholders  are making an offer of
these  securities in any state where the offer is not permitted.  You should not
assume that the  information in this prospectus is accurate as of any date other
than the date on the front of the prospectus.

                                 USE OF PROCEEDS

         We will not receive any proceeds  from the sale of the shares of common
stock by the selling  stockholders.  If all the warrants are  exercised in full,
the Company will receive up to approximately  $17.4 million,  which will be used
for general corporate  purposes.  There can be no assurance,  however,  that the
selling stockholders will exercise the warrants in full or at all.

                              SELLING STOCKHOLDERS

         This  prospectus  relates to the  offering by the selling  stockholders
named in this prospectus of up to 23,312,302  shares of common stock. All of the
selling  stockholders  have  acquired  the  shares  of common  stock in  private
placements and may acquire  additional  shares of common stock upon the exercise
of warrants issued in the private placements.

         The following  table sets forth important  information  with respect to
the selling stockholders as of August 4, 2000, as follows:

-        the name and position or other material relationship within the past
         three years of the selling stockholders with us;

-       the number of shares of common stock  beneficially  owned by the
        selling stockholders (including shares issuable upon exercise of
        warrants  exercisable within 60 days of August 4, 2000) prior to
        this offering;

-        obtainable under warrants exercisable within 60 days of August 4, 2000
         prior to this offering;

-        the number of shares of common stock being offered through this
         prospectus; and

-        the  number  and  percentage  of shares  of  common  stock to be
         beneficially owned by the selling stockholders after the sale of
         the  shares  of  common   stock  being   offered   through  this
         prospectus.

The selling  stockholders  do not have to sell all of the shares of common stock
that they own.

<TABLE>
<CAPTION>

                        Number of Shares Number of Shares

                                   Beneficially       Issuable Upon                       Shares Beneficially Owned
                                  Owned Prior to       Exercise of        Number of          After the Offering
                                    the Offering         Warrants        Shares Offered
                                                                            Hereby        Number   Percentage

Selling Stockholder
<S>                                     <C>            <C>                  <C>             <C>         <C>

Anfel Trading Ltd.                    757,576          378,788(1)         757,576(3)         0             0

Marc L. Bailin                        75,758            37,879(1)         75,758(3)          0             0

Balmore S.A.                         1,515,152         757,576(1)        1,515,152(3)        0             0

Arnaldo Barros                        454,546          227,273(1)         454,546(3)         0             0

B&B Trading Retirement Plan           75,758            37,879(1)         75,758(3)          0             0

Ismelia Costa Belmont                 120,000           60,000(1)         120,000(3)         0             0

Ethan Benovitz                        75,758            37,879(1)         75,758(3)          0             0

Daniel Berger                         151,516           75,758(1)         151,516(3)         0             0

John W. Blaha                         37,880            18,940(1)         37,880(3)          0             0

Martin Blech                          90,910            45,455(1)         90,910(3)          0             0

Bruce Bridges                         30,000            15,000(1)         30,000(3)          0             0

Celeste Trust Reg.                   1,515,152         757,576(1)        1,515,152(3)        0             0

Central Yeshiva Beth Joseph           237,123          146,971(1)         237,123(3)         0             0

Clarex Limited                        300,000          150,000(1)         300,000(3)         0             0

Congregation Ohel Torah               75,758            37,879(1)         75,758(3)          0             0

Robert Degirmenci                     75,758            37,879(1)         75,758(3)          0             0

Robert H. Donehew                     30,304            15,152(1)         30,304(3)          0             0

Donehew Fund Limited                  272,728          136,364(1)         272,728(3)         0             0
Partnership

Stella Eros Trust                     400,000          200,000(1)         400,000(3)         0             0

Richard and Kenneth Etra              37,880            18,940(1)         37,880(3)          0             0

Steven Etra                           189,394           94,697(1)         189,394(3)         0             0

Steven Gluckstein, IRA                50,000            25,000(1)         50,000(3)          0             0

Ari S. Goldman                        96,000            48,000(1)         96,000(3)          0             0

Martin Goldman                        80,000            40,000(1)         80,000(3)          0             0

GP Strategies Corporation             841,400          500,000(2)         841,400(3)         0             0

Frank V. Grace                        75,758            37,879(1)         75,758(3)          0             0

HAA, Inc.                             454,546          227,273(1)         454,546(3)         0             0

Harbor Trust                             0            1,363,637(1)      2,727,274(3)(4)      0             0

Harnof Investments Limited            303,032          151,516(1)         303,032(3)         0             0

John Heilshorn                        113,638           56,819(1)         113,638(3)         0             0

Charlotte Horowitz                    121,214           60,607(1)         121,214(3)         0             0

Benjamin J. Jesselson 8/21/74         757,576          378,788(1)         757,576(3)         0             0
Trust

Michael G. Jesselson 12/18/80        1,515,152         757,576(1)        1,515,152(3)        0             0
Trust

Richard Kandel                        151,516           75,758(1)         151,516(3)         0             0

Scott J. Koppelman                    200,000          100,000(1)         200,000(3)         0             0

KSH Strategic Investment Fund         757,576          378,788(1)         757,576(3)         0             0
I, LP

Alan and Penny Layton                 37,880            18,940(1)         37,880(3)          0             0

George Lichtenstein                   170,455           85,227(1)         170,455(3)         0             0

Lightning Ltd.                        151,516           75,758(1)         151,516(3)         0             0

Keith Lippert                         75,758            37,879(1)         75,758(3)          0             0

Low Family Trust                      151,516           75,758(1)         151,516(3)         0             0

Robert A. Mackie                      340,000          170,000(1)         340,000(3)         0             0

Magic Consulting Corp.                200,000          100,000(1)         200,000(3)         0             0

Markham Holdings Limited              303,032          151,516(1)         303,032(3)         0             0

Martin Marlow                         75,758            37,879(1)         75,758(3)          0             0

Abraham Masliansky                    400,000          200,000(1)         400,000(3)         0             0

Maria Molinsky                        200,000          100,000(1)         200,000(3)         0             0

Sean Molloy                           30,000            15,000(1)         30,000(3)          0             0

New Millennium Biotech                303,032          151,516(1)         303,032(3)         0             0

Jules Nordlicht                       303,032          151,516(1)         303,032(3)         0             0

Mark Nordlicht                       1,212,122         606,061(1)        1,212,122(3)        0             0

Steven Oliveira                       200,000          100,000(1)         200,000(3)         0             0

One Route 340 Corp.                   75,758            37,879(1)         75,758(3)          0             0

Ruthy Parnes                          151,516           75,758(1)         151,516(3)         0             0

Lawrence L. Pickens                   37,880            18,940(1)         37,880(3)          0             0

Mary Ann Pickens                      75,758            37,879(1)         75,758(3)          0             0

Richard S. Post                       37,880            18,940(1)         37,880(3)          0             0

Earl H. Powers                        75,758            37,879(1)         75,758(3)          0             0

Dov Rauchwerger                       181,820           90,910(1)         181,820(3)         0             0

RBB Bank Aktiengesellschaft          1,760,000         880,000(1)        1,760,000(3)        0             0

Thomas Redington                      136,364           68,182(1)         136,364(3)         0             0

Daniel Saks                           75,758            37,879(1)         75,758(3)          0             0

Marvin Schick                         151,516           75,758(1)         151,516(3)         0             0

Frank J. Schultheis                   151,516           75,758(1)         151,516(3)         0             0

Elliot S. Schwartz and Michael        75,758            37,879(1)         75,758(3)          0             0
Ettinger - Tenants in Common

Seaview Global Fund, LP               80,000            40,000(1)         80,000(3)          0             0

Abraham Shapiro                       75,758            37,879(1)         75,758(3)          0             0

Charles Silberstein                   30,304            15,152(1)         30,304(3)          0             0

Gary Stein                            60,608            30,304(1)         60,608(3)          0             0

Richard S. Thompson                   75,758            37,879(1)         75,758(3)          0             0

Michele Faskowitz Treister            30,304            15,152(1)         30,304(3)          0             0

Nelson M. Tuchman                     75,758            37,879(1)         75,758(3)          0             0

Israel Wallach                        30,304            15,152(1)         30,304(3)          0             0

Teddy Wallach                         60,608            30,304(1)         60,608(3)          0             0

Zvi Weinreb                           151,516           75,758(1)         151,516(3)         0             0

Stephen Weiss                         30,304            15,152(1)         30,304(3)          0             0

Yeshiva Gimel Daled Inc.              303,032          151,516(1)         303,032(3)         0             0

Yeshiva Madreigas HaAdam              100,000           50,000(1)         100,000(3)         0             0

Jay Zises, IRA                        303,032          151,516(1)         303,032(3)         0             0


(1)      The warrants are exercisable at a price of $1.50 per share of common stock until April, 2005.

(2)      The warrants are exercisable at a price of $1.00 per share of common stock until March, 2004.

(3)  Consists  of  shares  of  common  stock  currently  owned  by  the  selling
     stockholders  and offered hereby as well as shares of common stock issuable
     to such selling  stockholders upon exercise of warrants  currently held and
     offered hereby by such selling stockholders.

(4)      Includes a right to acquire 1,363,637 shares of common stock in April, 2001.

</TABLE>

                              PLAN OF DISTRIBUTION

         The common stock being offered by the selling stockholders will be sold
in one or more  transactions  (which may involve block  transactions) on the OTC
Bulletin  Board or on another  market on which the common stock may from time to
time be trading, in  privately-negotiated  transactions,  through the writing of
options on the common stock, short sales, or any combination  thereof.  The sale
price to the public may be the market  price  prevailing  at the time of sale, a
price related to the prevailing  market price, or any other price as the selling
stockholders  determine from time to time. The selling  stockholders  shall have
the sole and absolute  discretion  not to accept any purchase  offer or make any
sale of common stock if they deem the purchase price to be unsatisfactory at any
particular time.

         The selling  stockholders  may also sell the common  stock  directly to
market makers acting as principals  and/or  broker-dealers  acting as agents for
themselves  or  their  customers.  Brokers  acting  as  agents  for the  selling
stockholders  will  receive  usual  and  customary   commissions  for  brokerage
transactions, and market makers and block purchasers purchasing the common stock
will do so for their own account and at their own risk.  It is possible that the
selling  stockholders  will  attempt  to sell  shares of  common  stock in block
transactions to market makers or other purchasers at a price per share which may
be below the then market price. In addition,  the selling stockholders (or their
successors in interest) may enter into hedging  transactions with broker-dealers
who may  engage in short  sales of common  stock in the  course of  hedging  the
positions they assume with a selling stockholder. There can be no assurance that
all or any of the common stock offered hereby will be issued to, or sold by, the
selling stockholders.

         The selling  stockholders  and any other persons  participating  in the
sale  or  distribution  of the  common  stock  will  be  subject  to  applicable
provisions of the Exchange Act and the rules and regulations  thereunder.  These
rules may limit the timing of purchases  and sales of any of the common stock by
the selling  stockholders or any other person participating in the distribution.
Furthermore, under Regulation M, persons engaged in a distribution of securities
are prohibited  from  simultaneously  engaging in market making and other market
activities  with  respect to the  common  stock for a  specified  period of time
before the distribution  begins. These restrictions may reduce the marketability
of the common stock.

         We  have  agreed  to  indemnify   the  selling   stockholders   against
potentially significant liabilities,  including liabilities under the Securities
Act.

                                  LEGAL MATTERS

         Certain  legal  matters  with respect to the shares of common stock and
the shares  issuable  upon  exercise of the  warrants  offered  hereby have been
passed upon for the  Company by Duane,  Morris & Heckscher  LLP,  New York,  New
York.

                                     EXPERTS

KPMG LLP, independent  auditors,  have audited our financial statements included
in our Annual  Report on Form 10-K for the year ended  December 31, 1999, as set
forth in their report,  which is incorporated by reference in this  registration
statement.  Our financial statements are incorporated by reference on KPMG LLP's
report, given on their authority as experts in accounting and auditing.


<PAGE>


         NO PERSON HAS BEEN  AUTHORIZED  IN  CONNECTION  WITH THE OFFERING  MADE
HEREBY TO GIVE ANY  INFORMATION OR TO MAKE ANY  REPRESENTATION  NOT CONTAINED IN
THIS PROSPECTUS AND, IF GIVEN OR MADE, SUCH INFORMATION OR  REPRESENTATION  MUST
NOT BE RELIED  UPON AS HAVING  BEEN  AUTHORIZED  BY THE  COMPANY OR THE  SELLING
STOCKHOLDERS.  THIS  PROSPECTUS  DOES  NOT  CONSTITUTE  AN  OFFER  TO  SELL OR A
SOLICITATION  OF ANY OFFER TO BUY ANY OF THE  SECURITIES  OFFERED  HEREBY TO ANY
PERSON OR BY ANYONE IN ANY  JURISDICTION  IN WHICH IT IS  UNLAWFUL  TO MAKE SUCH
OFFER OR SOLICITATION. NEITHER THE DELIVERY OF THIS PROSPECTUS NOR ANY SALE MADE
HEREUNDER  SHALL,  UNDER ANY  CIRCUMSTANCES,  CREATE  ANY  IMPLICATION  THAT THE
INFORMATION  CONTAINED  HEREIN IS CORRECT AS OF ANY DATE  SUBSEQUENT TO THE DATE
HEREOF.

         TABLE OF CONTENTS                                      PAGE

         The Company ......................................       2
         Risk Factors .....................................       2
         Where You Can Find More Information ..............      11
         Use of Proceeds ..................................      11
         Selling Stockholders .............................      12
         Plan of Distribution .............................      16
         Legal Matters ....................................      16
         Experts ..........................................      16







                            INTERFERON SCIENCES, INC.

                                  COMMON STOCK

                            ------------------------

                                   PROSPECTUS

                            ------------------------

                                 August __, 2000


<PAGE>


                                     PART II

                     INFORMATION NOT REQUIRED IN PROSPECTUS

ITEM 14.  OTHER EXPENSES OF ISSUANCE AND DISTRIBUTION

         The following  table sets forth the various  expenses to be paid by the
Company in connection with the issuance and distribution of the securities being
registered  hereby.  All  the  amounts  are  estimates,  except  the  commission
registration  fee.  The selling  stockholders  will bear the cost of all selling
commissions  and  underwriting  discounts  with  respect  to  the  sale  of  any
securities by them.

         Securities and Exchange Commission registration fee     $9,600.94
         Legal fees and expenses ........................
         Accounting and Miscellaneous expenses...........

                  Total.....................................     $
                                                                 =========

ITEM 15.  INDEMNIFICATION OF DIRECTORS AND OFFICERS

         Article  9 of  the  Company's  Restated  Certificate  of  Incorporation
provides  that the Company  shall,  to the full extent  then  permitted  by law,
indemnify  all persons  whom it may  indemnify  pursuant  thereto.  In addition,
Article 10 of the Company's  Restated  Certificate of  Incorporation  eliminates
personal  liability  of its  directors  to the full extent  permitted by Section
102(b)(7) of the General Corporation Law of the State of Delaware.

         Section  145 of the  General  Corporation  Law of the State of Delaware
permits a corporation to indemnify its directors and officers  against  expenses
(including  attorney's fees),  judgments,  fines and amounts paid in settlements
actually and reasonably  incurred by them in connection with any action, suit or
proceeding brought by third parties, if such directors or officers acted in good
faith and in a manner  they  reasonably  believed to be in or not opposed to the
best interests of the  corporation  and, with respect to any criminal  action or
proceeding, had no reason to believe their conduct was unlawful. In a derivative
action, i.e., one by or in the right of the corporation,  indemnification may be
made only for  expenses  actually  and  reasonably  incurred  by  directors  and
officers in connection  with the defense or settlement of an action or suit, and
only with  respect  to a matter as to which  they shall have acted in good faith
and in a manner  they  reasonably  believed  to be in or not opposed to the best
interest of the  corporation,  except that no  indemnification  shall be made if
such person shall have been adjudged liable to the corporation,  unless and only
to the  extent  that the court in which the  action  or suit was  brought  shall
determine  upon  application  that  the  defendant  officers  or  directors  are
reasonably  entitled to indemnity for such expenses despite such adjudication of
liability.

         Section  102(b)(7)  of the  General  Corporation  Law of the  State  of
Delaware  provides  that a  corporation  may  eliminate  or limit  the  personal
liability  of a director to the  corporation  or its  stockholders  for monetary
damages for breach of fiduciary duty as a director, provided that such provision
shall not  eliminate or limit the  liability of a director (i) for any breach of
the director's duty of loyalty to the corporation or its stockholders,  (ii) for
acts or omissions not in good faith or which involve intentional misconduct or a
knowing violation of law, (iii) under Section 174 of the General Corporation Law
of the State of Delaware,  or (iv) for any  transaction  from which the director
derived an improper personal benefit. No such provision shall eliminate or limit
the liability of a director for any act or omission  occurring prior to the date
when such provision becomes effective.

         The  Company  currently  has  a  $5,000,000  directors'  and  officers'
liability insurance policy.
<TABLE>
<CAPTION>

ITEM 16.  EXHIBITS AND FINANCIAL STATEMENT SCHEDULES

         (a) Exhibits

Exhibit
Number            Exhibit Description
<S>                     <C>
5                 Opinion of Duane, Morris & Heckscher LLP (to be filed by amendment).

23.1              Consent of KPMG LLP, as independent auditors for the Company.

23.2              Consent of Duane, Morris & Heckscher LLP (included in their opinion to be filed as
                  Exhibit 5).

24*               Powers of Attorney (included in the Signature Page to this Registration Statement).

 *Filed herewith.
</TABLE>

ITEM 17.  UNDERTAKINGS

         (a) The undersigned Registrant hereby undertakes:

                  (1) To file,  during any  period in which  offers or sales are
         being made, a post-effective amendment to this registration statement:

                           (i) To include any prospectus required by section
                  10(a)(3) of the Securities Act of 1933.

                           (ii) To reflect in the prospectus any facts or events
                  arising after the effective date of the registration statement
                  (or the most recent  post-effective  amendment thereof) which,
                  individually  or in the  aggregate,  represent  a  fundamental
                  change  in the  information  set  forth  in  the  registration
                  statement.  Notwithstanding  the  foregoing,  any  increase or
                  decrease in volume of securities  offered (if the total dollar
                  value of  securities  offered  would not exceed that which was
                  registered)  and any deviation from the low or high end of the
                  estimated  maximum offering range may be reflected in the form
                  of  prospectus  filed  with the  Commission  pursuant  to Rule
                  424(b) if, in the  aggregate,  the changes in volume and price
                  represent  no more than a 20% change in the maximum  aggregate
                  offering price set forth in the  "Calculation  of Registration
                  Fee" table in the effective registration statement.

                           (iii)  To  include  any  material   information  with
                  respect to the plan of distribution  not previously  disclosed
                  in the  registration  statement or any material change to such
                  information in the registration statement.

                  Provided, however, that paragraphs (a)(1)(i) and (a)(1)(ii) do
                  not apply if the registration statement is on Form S-3 or Form
                  S-8,  and  the  information  required  to  be  included  in  a
                  post-effective  amendment by those  paragraphs  iscontained in
                  periodic  reports filed by the registrant  pursuant to section
                  13 or section 15(d) of the Securities and Exchange Act of 1934
                  that  are   incorporated  by  reference  in  the  registration
                  statement.

                  (2) That, for the purpose of determining  any liability  under
         the Securities Act, each such post-effective  amendment shall be deemed
         to be a new registration  statement  relating to the securities offered
         therein,  and the  offering  of such  securities  at that time shall be
         deemed to be the initial bona fide offering thereof.

                  (3) To remove from  registration by means of a  post-effective
         amendment any of the securities being registered which remain unsold at
         the termination of the offering.

         (b) The undersigned  Registrant hereby undertakes that, for purposes of
determining  any  liability  under  the  Securities  Act,  each  filing  of  the
Registrant's  annual  report  pursuant to Section  13(a) or Section 15(d) of the
Securities  Exchange  Act of 1934  (and,  where  applicable,  each  filing of an
employee  benefit  plan's  annual  report  pursuant  to  Section  15(d)  of  the
Securities  Exchange  Act of 1934)  that is  incorporated  by  reference  in the
registration  statement  shall  be  deemed  to be a new  registration  statement
relating to the securities offered therein,  and the offering of such securities
at that time shall be deemed to be the initial bona fide offering thereof.

         (c)  Insofar  as  indemnification  for  liabilities  arising  under the
Securities Act of 1933 may be permitted to directors,  officers and  controlling
persons of the Registrant  pursuant to the foregoing  provisions,  or otherwise,
the  Registrant  has been  advised  that in the  opinion of the  Securities  and
Exchange  Commission such  indemnification is against public policy as expressed
in the Securities  Act of 1933 and is,  therefore,  unenforceable.  In the event
that a claim  for  indemnification  against  such  liabilities  (other  than the
payment by the Registrant of expenses incurred or paid by a director, officer or
controlling  person of the Registrant in the  successful  defense of any action,
suit or proceeding) is asserted by such director,  officer or controlling person
in connection with the securities being registered,  the Registrant will, unless
in the  opinion  of its  counsel  the matter  has been  settled  by  controlling
precedent,  submit to a court of appropriate  jurisdiction  the question whether
such  indemnification  by it is  against  public  policy  as  expressed  in  the
Securities Act and will be governed by the final adjudication of such issue.


<PAGE>





                                   SIGNATURES

Pursuant to the  requirements  of the  Securities  Act of 1933,  the  registrant
certifies  that it has  reasonable  grounds to believe  that it meets all of the
requirements  for  filing  on Form S-3 and has  duly  caused  this  registration
statement  to be  signed  on its  behalf  by  the  undersigned,  thereunto  duly
authorized, in the County of Middlesex, State of New Jersey on August 4, 2000.

                                            INTERFERON SCIENCES, INC.





                                            By   /s/ Lawrence M. Gordon

                                            ----------------------------
                                            Lawrence M. Gordon
                                            Chief Executive Officer


<PAGE>


                                POWER OF ATTORNEY

         Each person whose  signature  appears  below  constitutes  and appoints
Lawrence M. Gordon,  Stanley G. Schutzbank,  Ph.D., and Samuel H. Ronel,  Ph.D.,
and each of them, with full power of substitution  and  resubstitution  and each
with full power to act without the other,  his true and lawful  attorney-in-fact
and agent,  for him and in his name, place and stead, in any and all capacities,
to sign any and all  amendments  (including  post-effective  amendments) to this
Registration Statement, and to file the same, with all exhibits thereto, and all
other  documents  in  connection  therewith,  with the  Securities  and Exchange
Commission or any state,  granting unto said  attorneys-in-fact  and agents, and
each of them,  full power and authority to do and perform each and every act and
thing requisite and necessary to be done in and about the premises,  as fully to
all intents and purposes as he might or could do in person, hereby ratifying and
confirming all that said attorneys-in-fact and agents, or any of them, or their,
his  substitutes  or  substitute,  may lawfully do or cause to be done by virtue
hereof.

         Pursuant  to the  requirements  of the  Securities  Act of  1933,  this
registration  statement  has  been  signed  by  the  following  persons  in  the
capacities and on the dates indicated.

Date: August 4, 2000                    /s/ Lawrence M. Gordon
                                            ----------------------
                                            Lawrence M. Gordon
                                            Chief Executive Officer and Director
                                            (Principal Executive Officer)



Date: August 4, 2000                    /s/ Donald W. Anderson
                                            ----------------------
                                            Donald W. Anderson
                                            Controller
                                    (Principal Accounting and Financial Officer)



Date: August 4, 2000                    /s/ Stanley G. Schutzbank
                                            ----------------------
                                            Stanley G. Schutzbank, Ph.D.
                                            President and Director



Date: August 4, 2000                    /s/ Samuel H. Ronel
                                            ----------------------
                                            Samuel H. Ronel, Ph.D.
                                            Chairman of the Board



Date: August __, 2000
                                            ----------------------
                                            Sheldon Glashow, Ph.D.
                                            Director



<PAGE>

<TABLE>
<CAPTION>

                                  EXHIBIT INDEX

Exhibit
Number            Exhibit Description
<S>                     <C>

5                 Opinion of Duane, Morris & Heckscher LLP (to be filed by amendment).

23.1              Consent of KPMG LLP, as independent auditors for the Company.

23.2              Consent of Duane, Morris & Heckscher LLP (included in their opinion to be filed as
                  Exhibit 5).

24*               Powers of Attorney (included in the Signature Page to this  Registration Statement).

*Filed herewith.
</TABLE>





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