EXHIBIT 32(a)

                            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 of Enzo Biochem,  Inc., and Subsidiaries
("the Company") on Form 10-Q for the period ended January 31, 2007 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) 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.





Dated: March 12, 2007                            By: /s/ Elazar Rabbani, Ph.D.
                                                     -------------------------
                                                         Elazar Rabbani, Ph.D.
                                                         Chief Executive 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 Act
Commission or its staff upon request.