CERTIFICATION OF CHIEF EXECUTIVE OFFICER 18 U.S.C. SECTION 1350

EX-32.1 7 dex321.htm CERTIFICATION OF CHIEF EXECUTIVE OFFICER 18 U.S.C. SECTION 1350 CERTIFICATION OF CHIEF EXECUTIVE OFFICER 18 U.S.C. SECTION 1350

Exhibit 32.1

CERTIFICATION PURSUANT TO

SECTION 1350, CHAPTER 63 OF TITLE 18, UNITED STATES CODE,

AS ADOPTED PURSUANT TO

SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002

Pursuant to Section 1350, Chapter 63 of Title 18, United States Code, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, the undersigned, as President and Chief Executive Officer of Oscient Pharmaceuticals Corporation (the “Company”) does hereby certify that to my knowledge:

the Company’s Report on Form 10-Q for the quarter ended September 25, 2004, fully complies with the requirements of Section 13(a) or 15(d) of the Securities Exchange Act of 1934; and

the information contained in the Company’s Report on Form 10-Q for the quarter ended September 25, 2004, fairly presents, in all material respects, the financial condition and results of operations of the Company.


By:		/s/ STEVEN M. RAUSCHER
		Steven M. Rauscher President and Chief Executive Officer

		Dated: December 3, 2004