EXHIBIT 32 (a)

                             CERTIFICATE 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 of Enzo  Biochem,  Inc.,  and
Subsidiaries ("the Company") on Form 10-Q for the period ended April 30, 2004 as
filed with the  Securities  and  Exchange  Commission  on the date  hereof  (the
"Report"),  I, Elazar Rabbani,  Ph.D.,  Chief Executive  Officer of the Company,
certify,  pursuant to 18 U.S.C.  ss. 1350, as adopted pursuant to ss. 906 of the
Sarbanes-Oxley Act of 2002 that:

        (1) The Report fully complies with the requirements of Section 13 (a) or
15 (d), as applicable, 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.


         /s/  Elazar Rabbani, Ph.D.







         Elazar Rabbani, Ph.D.
         Chief Executive Officer