Inotiv (NOTV) 10-K 2007 FY Annual report

CERTIFICATION PURSUANT TO

18 U.S.C. SECTION 1350,

AS ADOPTED PURSUANT TO

SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002

I, Richard M. Shepperd, the President and Chief Executive Officer of Bioanalytical Systems, Inc. certify that (i) the Annual Report on Form 10-K for the fiscal year ended September 30, 2007 (the "Report"), fully complies with the requirements of Section 13(a) or 15(d) of the Securities Exchange Act of 1934, and (ii) the information contained in the Report fairly presents, in all material respects, the financial condition and results of operations of Bioanalytical Systems, Inc. as of the dates and for the periods set forth therein.

By:  /s/  Richard M. Shepperd

Richard M. Shepperd

President and Chief Executive Officer

Date:  December 27, 2007