Ownership Submission
FORM 3
 UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934, Section 17(a) of the Public Utility Holding Company Act of 1935 or Section 30(h) of the Investment Company Act of 1940
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(Print or Type Responses)
1. Name and Address of Reporting Person *
  Weinstein Jack
 2. Date of Event Requiring Statement (Month/Day/Year)
10/23/2006		 3. Issuer Name and Ticker or Trading Symbol
Catalyst Pharmaceutical Partners, Inc. [CPRX]
(Last)
(First)
(Middle)
220 MIRACLE MILE, SUITE 234		 4. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
_____ Director _____ 10% Owner
__X__ Officer (give title below) _____ Other (specify below)
V.P., Treasurer & CFO
 5. If Amendment, Date Original Filed(Month/Day/Year)
(Street)

CORAL GABLES, FL 33134		 6. Individual or Joint/Group Filing(Check Applicable Line)
_X_ Form filed by One Reporting Person
___ Form filed by More than One Reporting Person
(City)
(State)
(Zip)
Table I - Non-Derivative Securities Beneficially Owned
1.Title of Security
(Instr. 4)		 2. Amount of Securities Beneficially Owned
(Instr. 4)		 3. Ownership Form: Direct (D) or Indirect (I)
(Instr. 5)		 4. Nature of Indirect Beneficial Ownership
(Instr. 5)
No securities beneficially owned 0
D
 

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly. SEC 1473 (7-02)
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Table II - Derivative Securities Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security
(Instr. 4)		 2. Date Exercisable and Expiration Date
(Month/Day/Year)		 3. Title and Amount of Securities Underlying Derivative Security
(Instr. 4)		 4. Conversion or Exercise Price of Derivative Security 5. Ownership Form of Derivative Security: Direct (D) or Indirect (I)
(Instr. 5)		 6. Nature of Indirect Beneficial Ownership
(Instr. 5)
Date Exercisable Expiration Date Title Amount or Number of Shares
Options to purchase common stock 10/01/2004 10/01/2009 Common Stock 72,961 $ 1.37 D  
Options to purchase common stock 03/04/2005 03/04/2010 Common Stock 72,961 $ 1.37 D  
Options to purchase common stock 10/01/2005 10/01/2010 Common Stock 145,922 $ 1.37 D  
Options to purchase common stock 07/24/2006 07/24/2011 Common Stock 145,922 $ 2.98 D  

Reporting Owners

Reporting Owner Name / Address Relationships
Director 10% Owner Officer Other
Weinstein Jack
220 MIRACLE MILE, SUITE 234
CORAL GABLES, FL 33134		       V.P., Treasurer & CFO  

Signatures

/s/ Jack Weinstein 10/20/2006
**Signature of Reporting Person Date

Explanation of Responses:

* If the form is filed by more than one reporting person, see Instruction 5(b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations. See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).

Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, See Instruction 6 for procedure.

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