EXHIBIT 32(b)



                            CERTIFICATION PURSUANT TO
                             18 U.S.C. SECTION 1350,
                             AS ADOPTED PURSUANT TO
                  SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002


      In connection  with the annual report of DUSA  Pharmaceuticals,  Inc. (the
"Company") on Form 10-K for the year ending December 31, 2003, as filed with the
Securities and Exchange  Commission  (the "Report"),  Peter M. Chakoutis,  Chief
Financial Officer of the Company,  certify,  pursuant to 18 U.S.C. Section 1350,
as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, that:


      1)    The Report fully complies with the  requirements of Section 13(a) or
            15(d) of the Securities Exchange Act of 1934; and

      2)    The  information  contained in the Report  fairly  presents,  in all
            material respects, the financial condition and results of operations
            of the Company.



Date: March 16, 2004                 /s/ Peter M. Chakoutis
                                     ---------------------------------------
                                     Peter M. Chakoutis
                                     Vice President, Chief Financial Officer
                                     (principal financial officer) and
                                     Controller (principal accounting officer)


A signed  original of this written  statement  required by Section 906, or other
document authenticating, acknowledging, or otherwise adopting the signature that
appears in typed form within the  electronic  version of this written  statement
required by Section 906,  has been  provided to the Company and will be retained
by the Company and furnished to the  Securities  and Exchange  Commission or its
staff upon request.