Exhibit 31.2

                                  CERTIFICATION


     I, Christopher P. Schnittker, certify that:

     1)   I  have   reviewed   this  annual  report  on  Form  10-K/A (Amendment
          No. 2)  of  Cytogen Corporation;

     2)   Based on my knowledge,  this annual report does not contain any untrue
          statement  of a  material  fact  or  omit to  state  a  material  fact
          necessary to make the statements  made, in light of the  circumstances
          under which such  statements were made, not misleading with respect to
          the period covered by this annual report; and

     3)   Based on my knowledge,  the financial statements,  and other financial
          information  included in this  annual  report,  fairly  present in all
          material respects the financial  condition,  results of operations and
          cash flows of the registrant as of, and for, the periods  presented in
          this annual report.





                                 By:  /s/ Christopher P. Schnittker
                                      ----------------------------------------
Date:  September 19, 2003             Christopher P. Schnittker
                                      Vice President and Chief Financial Officer