EXHIBIT 32.1
CERTIFICATION
OF
CHIEF EXECUTIVE OFFICER AND CHIEF FINANCIAL OFFICER
Pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, each of the undersigned officers of Manhattan Pharmaceuticals, Inc. do hereby certify that, to the best of their knowledge:
(a) the Quarterly Report on Form 10-Q of Manhattan Pharmaceuticals, Inc. for the quarter ended June 30, 2007 (the “Report”) fully complies with the requirements of Section 13(a) or 15(d) of the Securities Exchange Act of 1934; and
(b) information contained in the Report fairly presents, in all material respects, the financial condition and results of operations of Manhattan Pharmaceuticals, Inc.
| | | |
| Date: August 14, 2007 | /s/ Douglas Abel | |
Douglas Abel | ||
| President and Chief Executive Officer | ||
| | | |
| Date: August 14, 2007 | /s/ Michael G. McGuinness | |
Michael G. McGuinness | ||
| Chief Financial Officer | ||