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Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
Originator-Key-Asymmetric:
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 TWSM7vrzLADbmYQaionwg5sDW3P6oaM5D3tdezXMm7z1T+B+twIDAQAB
MIC-Info: RSA-MD5,RSA,
 RuDcHPyHy3CzkLY6lvRSgVXlXQrKctZaLNKsMRqDzEFgeDVkQa5aGzR6O2XL/3K0
 TuR+sT8jtR+t4HXtpmHzQQ==

<SEC-DOCUMENT>0001223359-04-000001.txt : 20040203
<SEC-HEADER>0001223359-04-000001.hdr.sgml : 20040203
<ACCEPTANCE-DATETIME>20040203105547
ACCESSION NUMBER:		0001223359-04-000001
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20040130
FILED AS OF DATE:		20040203

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			EMKJER MARK J
		CENTRAL INDEX KEY:			0001223359

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	000-27188
		FILM NUMBER:		04561344

	MAIL ADDRESS:	
		STREET 1:		C/O PHARMACOPEIA
		STREET 2:		P O BOX 5350
		CITY:			PRINCETON
		STATE:			NJ
		ZIP:			08543-5350

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			PHARMACOPEIA INC
		CENTRAL INDEX KEY:			0001002388
		STANDARD INDUSTRIAL CLASSIFICATION:	SERVICES-COMMERCIAL PHYSICAL & BIOLOGICAL RESEARCH [8731]
		IRS NUMBER:				330557266
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		CN 5350
		CITY:			PRINCETON
		STATE:			NJ
		ZIP:			08543-5350
		BUSINESS PHONE:		6094523600

	MAIL ADDRESS:	
		STREET 1:		CN 5350
		CITY:			PRINCETON
		STATE:			NJ
		ZIP:			08543-5350
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>emk94.xml
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0201</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2004-01-30</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0001002388</issuerCik>
        <issuerName>PHARMACOPEIA INC</issuerName>
        <issuerTradingSymbol>PCOP</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001223359</rptOwnerCik>
            <rptOwnerName>EMKJER MARK J</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>P.O. BOX 5350</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>PRINCETON</rptOwnerCity>
            <rptOwnerState>NJ</rptOwnerState>
            <rptOwnerZipCode>085435350</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>1</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle>President, Accelrys Inc.</officerTitle>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2004-01-30</value>
            </transactionDate>
            <deemedExecutionDate>
                <value>2004-01-30</value>
            </deemedExecutionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>A</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>40.89</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>19.8700</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>929.62</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value></value>
                </natureOfOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <footnotes></footnotes>

    <remarks></remarks>

    <ownerSignature>
        <signatureName>By: Albert Essilfie (POA on file)</signatureName>
        <signatureDate>2004-01-30</signatureDate>
    </ownerSignature>
</ownershipDocument>

</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
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