UNITED STATES
                         SECURITIES EXCHANGE COMMISSION
                             Washington, D.C. 20549
--------------------------------------------------------------------------------

                                  SCHEDULE 13D
                    Under the Securities Exchange Act of 1934
                               (Amendment No. 5)*

                            STERLING CHEMICALS, INC.
                            ------------------------
                                (Name of Issuer)

                     Common Stock, par value $.01 per share
                 ----------------------------------------------
                         (Title of Class of Securities)

                                    859166100
                              ---------------------
                                 (CUSIP Number)

                                Phillip M. Sevin
                                 General Counsel
                       Resurgence Asset Management, L.L.C.
                               10 New King Street
                          White Plains, New York 10604
                                 (914) 288-8600
                              ---------------------
                  (Name, Address and Telephone Number of Person
                Authorized to Receive Notices and Communications)

                                  March 2, 2006
                              ---------------------
             (Date of Event which Requires Filing of this Statement)


If the filing person has previously  filed a statement on Schedule 13G to report
the  acquisition  that is the subject of this  Schedule  13D, and is filing this
statement because of ss.ss.240.13d-1(e), 240.13d-1(f) or 240.13d-1(g), check the
following box. [ ]

Note:  Schedules  filed in paper format shall include a signed original and five
copies of the  schedule,  including  all exhibits.  See  ss.240.13d-7  for other
parties to whom copies are to be sent.

* The remainder of this cover page shall be filled out for a reporting  person's
initial filing on this form with respect to the subject class of securities, and
for any  subsequent  amendment  containing  information  which  would  alter the
disclosures provided in a prior cover page.

The information required in the remainder of this cover page shall not be deemed
to be "filed" for the purpose of Section 18 of the  Securities  Exchange  Act of
1934 ("Act") or otherwise  subject to the liabilities of that section of the Act
but  shall be  subject  to all other  provisions  of the Act  (however,  see the
Notes).


                          Continued on following pages
                               Page 1 of 10 Pages
                             Exhibit Index: Page 9



                                  SCHEDULE 13D

CUSIP No.: 859166100                                          Page 2 of 10 Pages
--------------------------------------------------------------------------------
1.     Names of Reporting Persons.

       I.R.S. Identification Nos. of above persons (entities only).


       RESURGENCE ASSET MANAGEMENT, L.L.C.
--------------------------------------------------------------------------------
2.     Check the Appropriate Box if a Member of a Group (See Instructions)

       (a) [ ]

       (b) [ ]
--------------------------------------------------------------------------------
3.     SEC Use Only
--------------------------------------------------------------------------------
4.     Source of Funds (See Instructions)

       OO
--------------------------------------------------------------------------------
5.     Check if Disclosure of Legal Proceedings is Required Pursuant to
       Items 2(d) or 2(e)

       [  ]
--------------------------------------------------------------------------------
6.     Citizenship or Place of Organization

       Delaware
--------------------------------------------------------------------------------
 Number of         7.     Sole Voting Power                None
 Shares            -------------------------------------------------------------
 Beneficially      8.     Shared Voting Power              2,878,185 /1/
 Owned by Each     -------------------------------------------------------------
 Reporting         9.     Sole Dispositive Power           None
 Person With       -------------------------------------------------------------
                   10.    Shared Dispositive Power         2,878,185 /1/
--------------------------------------------------------------------------------
11.    Aggregate Amount Beneficially Owned by Each Reporting Person

       2,878,185 /1/
--------------------------------------------------------------------------------
12.    Check if the Aggregate Amount in Row (11) Excludes Certain Shares (See
       Instructions)

       [  ]
--------------------------------------------------------------------------------
13.    Percent of Class Represented by Amount in Row (11)

       59.1%
--------------------------------------------------------------------------------
14.    Type of Reporting Person:

       IA

------------------------
/1/ See Item 5 herein.



                                  SCHEDULE 13D

CUSIP No.: 859166100                                          Page 3 of 10 Pages
--------------------------------------------------------------------------------
1.     Names of Reporting Persons.

       I.R.S. Identification Nos. of above persons (entities only).


       RESURGENCE ASSET MANAGEMENT,INTERNATIONAL L.L.C.
--------------------------------------------------------------------------------
2.     Check the Appropriate Box if a Member of a Group (See Instructions)

       (a) [ ]

       (b) [ ]
--------------------------------------------------------------------------------
3.     SEC Use Only
--------------------------------------------------------------------------------
4.     Source of Funds (See Instructions)

       OO
--------------------------------------------------------------------------------
5.     Check if Disclosure of Legal Proceedings is Required Pursuant to
       Items 2(d) or 2(e)

       [  ]
--------------------------------------------------------------------------------
6.     Citizenship or Place of Organization

       Delaware
--------------------------------------------------------------------------------
 Number of         7.     Sole Voting Power                None
 Shares            -------------------------------------------------------------
 Beneficially      8.     Shared Voting Power              780,260 /1/
 Owned by Each     -------------------------------------------------------------
 Reporting         9.     Sole Dispositive Power           None
 Person With       -------------------------------------------------------------
                   10.    Shared Dispositive Power         780,260 /1/
--------------------------------------------------------------------------------
11.    Aggregate Amount Beneficially Owned by Each Reporting Person

       780,260 /1/
--------------------------------------------------------------------------------
12.    Check if the Aggregate Amount in Row (11) Excludes Certain Shares (See
       Instructions)

       [  ]
--------------------------------------------------------------------------------
13.    Percent of Class Represented by Amount in Row (11)

       23.1%
--------------------------------------------------------------------------------
14.    Type of Reporting Person:

       IA

------------------------
/1/ See Item 5 herein.



                                  SCHEDULE 13D

CUSIP No.: 859166100                                          Page 4 of 10 Pages
--------------------------------------------------------------------------------
1.     Names of Reporting Persons.

       I.R.S. Identification Nos. of above persons (entities only).


       RE/ENTERPRISE ASSET MANAGEMENT, L.L.C.
--------------------------------------------------------------------------------
2.     Check the Appropriate Box if a Member of a Group (See Instructions)

       (a) [ ]

       (b) [ ]
--------------------------------------------------------------------------------
3.     SEC Use Only
--------------------------------------------------------------------------------
4.     Source of Funds (See Instructions)

       OO
--------------------------------------------------------------------------------
5.     Check if Disclosure of Legal Proceedings is Required Pursuant to
       Items 2(d) or 2(e)

       [  ]
--------------------------------------------------------------------------------
6.     Citizenship or Place of Organization

       Delaware
--------------------------------------------------------------------------------
 Number of         7.     Sole Voting Power                None
 Shares            -------------------------------------------------------------
 Beneficially      8.     Shared Voting Power              1,698,491 /1/
 Owned by Each     -------------------------------------------------------------
 Reporting         9.     Sole Dispositive Power           None
 Person With       -------------------------------------------------------------
                   10.    Shared Dispositive Power         1,698,491 /1/
--------------------------------------------------------------------------------
11.    Aggregate Amount Beneficially Owned by Each Reporting Person

       1,698,491 /1/
--------------------------------------------------------------------------------
12.    Check if the Aggregate Amount in Row (11) Excludes Certain Shares (See
       Instructions)

       [  ]
--------------------------------------------------------------------------------
13.    Percent of Class Represented by Amount in Row (11)

       42.2%
--------------------------------------------------------------------------------
14.    Type of Reporting Person:

       IA

------------------------
/1/ See Item 5 herein.



                                  SCHEDULE 13D

CUSIP No.: 859166100                                          Page 5 of 10 Pages
--------------------------------------------------------------------------------
1.     Names of Reporting Persons.

       I.R.S. Identification Nos. of above persons (entities only).


       MARTIN D. SASS
--------------------------------------------------------------------------------
2.     Check the Appropriate Box if a Member of a Group (See Instructions)

       (a) [ ]

       (b) [ ]
--------------------------------------------------------------------------------
3.     SEC Use Only
--------------------------------------------------------------------------------
4.     Source of Funds (See Instructions)

       OO
--------------------------------------------------------------------------------
5.     Check if Disclosure of Legal Proceedings is Required Pursuant to
       Items 2(d) or 2(e)

       [  ]
--------------------------------------------------------------------------------
6.     Citizenship or Place of Organization

       United States of America
--------------------------------------------------------------------------------
 Number of         7.     Sole Voting Power                None
 Shares            -------------------------------------------------------------
 Beneficially      8.     Shared Voting Power              5,356,936 /1/
 Owned by Each     -------------------------------------------------------------
 Reporting         9.     Sole Dispositive Power           None
 Person With       -------------------------------------------------------------
                   10.    Shared Dispositive Power         5,356,936 /1/
--------------------------------------------------------------------------------
11.    Aggregate Amount Beneficially Owned by Each Reporting Person

       5,356,936 /1/
--------------------------------------------------------------------------------
12.    Check if the Aggregate Amount in Row (11) Excludes Certain Shares (See
       Instructions)

       [  ]
--------------------------------------------------------------------------------
13.    Percent of Class Represented by Amount in Row (11)

       80.9%
--------------------------------------------------------------------------------
14.    Type of Reporting Person:

       IA

------------------------
/1/ See Item 5 herein.



                                                              Page 6 of 10 Pages

                  This Amendment No. 5 to Schedule 13D relates to shares of
Common Stock, par value $.01 per share (the "Shares"), of Sterling Chemicals,
Inc. (the "Issuer"). This Amendment No. 5 supplementally amends the initial
statement on Schedule 13D, dated December 19, 2002, and all amendments thereto
(collectively, the "Initial Statement"), filed by the Reporting Persons (as
defined herein). This Amendment No. 5 is being filed by the Reporting Persons to
report that the number of Shares that the Reporting Persons may be deemed to
beneficially own has increased by more than one percent of the current amount of
outstanding Shares, as disclosed in the Issuer's quarterly report on Form 10-Q.
Capitalized terms used but not defined herein shall have the meanings ascribed
to them in the Initial Statement. The Initial Statement is supplementally
amended as follows.

Item 1    Security and Issuer

          This  Statement  relates to the Shares.  The address of the  principal
executive office of the Issuer is 333 Clay Street,  Suite 3600,  Houston,  Texas
77002-4109.

Item 2    Identity and Background

          This  Statement  is filed on behalf of each of the  following  persons
(collectively, the "Reporting Persons"):

          i)    Resurgence Asset Management, L.L.C. ("RAM");

          ii)   Resurgence Asset Management, International L.L.C. ("RAMI");

          iii)  Re/Enterprise Asset Management, L.L.C. ("REAM"); and

          iv)   Mr. Martin D. Sass ("Mr. Sass").

          In its  capacity  as  investment  advisor,  RAM  exercises  voting and
investment  power over the Shares held for the accounts of M.D.  Sass  Corporate
Resurgence Partners, L.P., M.D. Sass Corporate Resurgence Partners II, L.P., and
M.D. Sass Corporate  Resurgence Partners III, L.P.  ("Resurgence I, II and III,"
respectively),  the Resurgence Asset Management,  L.L.C.  Employment  Retirement
Plan (the "Plan") Accordingly,  RAM may be deemed to share voting and investment
power with  Resurgence  I, II and III and the Plan.  Mr. Sass serves as Chairman
and Chief Executive Officer of RAM.

          In its  capacity as  investment  advisor,  RAMI  exercises  voting and
investment  power over the Shares  held for the account of M.D.  Sass  Corporate
Resurgence  International,  Ltd.,  for which RAMI serves as investment  adviser.
Accordingly,  RAMI may be deemed to share voting and investment  power with M.D.
Sass Corporate Resurgence International,  Ltd. Mr. Sass serves  as Chairman  and
Chief  Executive  Officer  of  RAMI.

          In its  capacity as  investment  advisor,  REAM  exercises  voting and
investment  power  over the Shares  held for the  accounts  of (a) two  employee
pension  plans  (the  "Pension  Plans")  and  as an  advisor  to the  M.D.  Sass
Associates,  Inc. Employee Retirement Plan (the "Sass Plan"), and (b) as general
partner  and  sole  investment  advisor  of M.D.  Sass  Re/Enterprise  Portfolio
Company,  L.P.  ("Enterprise") and M.D. Sass Re/Enterprise II, L.P. ("Enterprise
II"). Accordingly,  REAM may be deemed to share voting and investment power with
each of the Pension Plans,  the Sass Plan,  Enterprise and Enterprise II.    Mr.
Sass  serves  as  Chairman  and  Chief  Executive   Officer  of  REAM.




                                                              Page 7 of 10 Pages
Item 5    Interest in Securities of the Issuer

    (a) - (b)  See Rows 7, 9, 11 and 13 of each cover page.

    The  precentage   in  Row 13  of  each  cover page  are  based  on 2,828,474
Shares that were outstanding as of October 31, 2005, as reported in the Issuer's
most recently-filed  quarterly report on Form 10-Q.

         (i) The Shares that  RAM  may  be  deemed  to  beneficially own include
Shares that RAM  has  the current right  to acquire upon conversion of shares of
preferred stock of the Issuer and upon exercise of warrants of  the  Issuer.  As
of  December 31, 2005,  funds  and  accounts  managed  by  RAM held: (A) 838,314
Shares; (B) 1,851,866 Shares  issuable upon the  conversion of preferred  stock;
and (C) 188,005 Shares issuable upon the exercise of  warrants.

         (ii) The Shares that  RAMI may be  deemed  to  beneficially own include
Shares that RAMI has  the current right  to acquire upon conversion of shares of
preferred stock of the Issuer and upon exercise of warrants of the Issuer.    As
of December 31, 2005,  funds  and  accounts  managed  by RAMI  held: (A) 228,261
Shares; (B) 501,123 Shares issuable upon the conversion of  preferred stock; and
(C) 50,876 Shares issuable upon the exercise of warrants.

         (iii) The Shares that REAM may be  deemed  to  beneficially own include
Shares that REAM has  the current right  to acquire upon conversion of shares of
preferred stock of the Issuer and upon exercise of warrants of the Issuer.    As
of December 31, 2005,  funds  and  accounts  managed  by REAM  held: (A) 497,620
Shares; (B) 1,090,207  Shares issuable upon the conversion of  preferred  stock;
and (C) 110,664 Shares  issuable upon  the exercise  of  warrants.

         (iv) The Shares that Mr. Sass may be deemed to beneficially own include
Shares that Mr. Sass has the current right  to acquire upon conversion of shares
of preferred stock of the Issuer and upon exercise of warrants of the Issuer. As
of December 31, 2005, funds and accounts managed by Mr. Sass held: (A) 1,564,195
Shares; (B) 3,443,196 Shares  issuable  upon the  conversion of preferred stock;
and (C) 349,545 Shares  issuable  upon the exercise  of warrants.

     In addition, funds which  have invested side-by-side  with funds managed by
RAM  and  RAMI  beneficially  own 26,733 Shares, 58,876 Shares issuable upon the
conversion of  preferred stock;  and 5,976 Shares  issuable upon the exercise of
warrants.

    (c) There  have been no  transactions  effected  with  respect  to the
Shares since  December 31, 2005 (60 days prior to the date hereof) by any of the
Reporting Persons.

    (d) No person  other than  those  named in Item 2 is known to have the
right to receive or the power to direct the receipt of  dividends  from,  or the
proceeds from the sale of the Shares.

    (e) Not applicable.

Item 7    Material to be filed as Exhibits.

          The Exhibit Index is incorporated herein by reference.



                                                              Page 8 of 10 Pages


                                    SIGNATURE

     After reasonable  inquiry and to the best of its knowledge and belief,  the
undersigned  certify that the  information  set forth in this statement is true,
complete and correct.

Date: March 2, 2006            RESURGENCE ASSET MANAGEMENT, L.L.C.


                               By:  /s/ Martin D. Sass
                                  ---------------------------------
                               Name:   Martin D. Sass
                               Title:  Chairman and Chief Executive Officer

Date: March 2, 2006            RESURGENCE ASSET MANAGEMENT,INTERNATIONAL L.L.C.


                               By:  /s/ Martin D. Sass
                                  ---------------------------------
                               Name:   Martin D. Sass
                               Title:  Chairman and Chief Executive Officer

Date: March 2, 2006            RE/ENTERPRISE ASSET MANAGEMENT, L.L.C.


                               By:  /s/ Martin D. Sass
                                  ---------------------------------
                               Name:   Martin D. Sass
                               Title:  Chairman and Chief Executive Officer


Date: March 2, 2006            MARTIN D. SASS

                               /s/ Martin D. Sass
                               ----------------------------------------



                                                             Page 9 of 10 Pages

                                  EXHIBIT INDEX

Ex.                                                                     Page No.
---                                                                     --------

A.  Joint Filing Agreement, dated March 2, 2006 by and among
    Resurgence Asset Management, L.L.C., Resurgence Asset Management,
    International L.L.C., Re/Enterprise Asset Management, L.L.C.,
    and Mr. Martin D. Sass..............................................      10



                                                             Page 10 of 10 Pages

                                    EXHIBIT A

                             JOINT FILING AGREEMENT

     The undersigned  hereby agree that the statement on Schedule 13D, Amendment
No. 5, with respect to the Common Stock of Sterling Chemicals,  Inc. dated as of
March 2, 2006 is, and any amendments thereto (including  amendments on  Schedule
13G) signed by each of the  undersigned  shall be,  filed on behalf of  each  of
us pursuant to and in  accordance  with  the  provisions of Rule 13d-1(k)  under
the Securities Exchange Act of 1934, as amended.

Date: March 2, 2006            RESURGENCE ASSET MANAGEMENT, L.L.C.


                               By:  /s/ Martin D. Sass
                                  ---------------------------------
                               Name:   Martin D. Sass
                               Title:  Chairman and Chief Executive Officer

Date: March 2, 2006            RESURGENCE ASSET MANAGEMENT,INTERNATIONAL L.L.C.


                               By:  /s/ Martin D. Sass
                                  ---------------------------------
                               Name:   Martin D. Sass
                               Title:  Chairman and Chief Executive Officer

Date: March 2, 2006            RE/ENTERPRISE ASSET MANAGEMENT, L.L.C.


                               By:  /s/ Martin D. Sass
                                  ---------------------------------
                               Name:   Martin D. Sass
                               Title:  Chairman and Chief Executive Officer


Date: March 2, 2006            MARTIN D. SASS

                               /s/ Martin D. Sass
                               ----------------------------------------