Catalyst Pharmaceutical Partners, Inc.
 

Catalyst Pharmaceutical Partners, Inc.
220 Miracle Mile
Suite 234
Coral Gables, Florida 33134
October 23, 2006
VIA EDGAR
Securities and Exchange Commission
Division of Corporation Finance
100 F Street, N.E., Mail Stop 6010
Washington, DC 20549
Attn: Jeffrey Reidler, Assistant Director
     
Re:
  Catalyst Pharmaceutical Partners, Inc.
Registration Statement on Form S-1
Commission File No. 333-136039
Dear Mr. Reidler:
Pursuant to Rule 461 under the Securities Act of 1933, as amended (the “Act”), Catalyst Pharmaceutical Partners, Inc. (the “Company”) requests that the effectiveness of the above-referenced Registration Statement be accelerated at 10:00 a.m. on Tuesday, October 24, 2006, or as soon as possible thereafter.
         
  Sincerely,
 
 
  /s/ Patrick J. McEnany    
  Patrick J. McEnany   
  President and Chief Executive Officer
Catalyst Pharmaceutical Partners, Inc.