Via Facsimile and U.S. Mail Mail Stop 6010 January 31, 2006 Mr. Barry W. Weiner President, Chief Financial Officer, and Director Enzo Biochem, Inc. 60 Executive Boulevard Farmingdale, NY 11735 Re: Enzo Biochem, Inc. Form 10-K for the Fiscal Year Ended July 31, 2004 Filed October 14, 2004 File No. 001-09974 Dear Mr. Weiner: We have completed our review of your Form 10-K and have no further comments at this time. Sincerely, Jim Atkinson Accounting Branch Chief