EXHIBIT 32.1
Published on May 15, 2007
EXHIBIT 32.1
CERTIFICATION
OF
CHIEF
EXECUTIVE OFFICER
PURSUANT
TO
18
U.S.C. SECTION 1350
I,
Chang
H. Ahn, Chief Executive Officer of Rexahn Pharmaceuticals, Inc. (the "Company"),
certify, pursuant to 18 U.S.C. Section 1350, as adopted by Section 906
of the Sarbanes-Oxley Act of 2002, that:
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(1)
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the
Quarterly Report on Form 10-QSB of the Company for the quarter ended
March 31, 2007 as filed on the date hereof with the Securities and
Exchange Commission (the "Report") fully complies with the requirements
of
Section 13(a) or 15(d) of the Securities Exchange Act of 1934, as
amended; and
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(2)
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the
information contained in the Report fairly presents, in all material
respects, the financial condition and results of operations of the
Company.
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Date:
May
15, 2007
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/s/
Chang H. Ahn
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Chang
H. Ahn
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Chief
Executive Officer
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