EXHIBIT 32.2

                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  Quarterly  Report  on Form  10-Q of  Cytogen
Corporation  (the  "Company")  for the period ended March 31, 2005 as filed with
the Securities and Exchange  Commission on the date hereof (the  "Report"),  the
undersigned,   Christopher  P.  Schnittker,  Senior  Vice  President  and  Chief
Financial  Officer  of the  Company,  hereby  certifies,  pursuant  to 18 U.S.C.
Section 1350, that, based upon my knowledge:

         (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.

         A signed original 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.



                                    /s/ Christopher P. Schnittker
                                    --------------------------------------------
Dated:   May 10, 2005               Christopher P. Schnittker, Senior Vice
                                    President and Chief Financial Officer
                                    (Principal Financial and Accounting Officer)