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 October 31, 2003
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



December 12, 2003