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Exhibit 23.1
CONSENT OF ERNST & YOUNG LLP, INDEPENDENT AUDITORS
We consent to the reference to our firm under the caption "Experts" in the
Registration Statement (Form S-8) pertaining to the 1994 Incentive Stock Plan
and 1995 Director Option Plan of Pharmacopeia, Inc. and to the incorporation
by reference therein of our report dated January 28, 2000, except for Note 9,
as for which the date is March 8, 2000, with respect to the consolidated
financial statements and schedule of Pharmacopeia, Inc. included in its
Annual Report (Form 10-K/A) for the year ended December 31, 1999, filed with
the Securities and Exchange Commission.
/s/ Ernst & Young LLP
ERNST & YOUNG LLP
San Diego, California
June 6, 2000
