Document:

EXHIBIT 4.1
                                                                     -----------

                                 RXBAZAAR, INC.
              INCORPORATED UNDER THE LAWS OF THE STATE OF DELAWARE

                                                                    COMMON STOCK
                                                                 PAR VALUE $.001

                                                                 CUSIP 78347T 10
                                                                SEE REVERSE SIDE
                                                                     FOR CERTAIN
                                                                 DEFINITIONS AND
                                                                   ABBREVIATIONS

NUMBER                                                                   SHARES

This Certifies That

Is the Owner of

FULLY PAID AND NONASSESSABLE SHARES OF THE COMMON STOCK OF THE PAR VALUE OF
$.001 EACH OF

================================RXBAZAAR, INC.==================================

transferable on the books of the Corporation by the holder hereof in person or
by duly authorized attorney, upon surrender of the Certificate properly
endorsed. This Certificate is not valid until countersigned by the Transfer
Agent and registered by the Registrar.

Witness the facsimile seal of said Corporation and the facsimile signatures of
its duly authorized officers.

Dated

                                 RXBAZAAR, INC.
                                 CORPORATE SEAL
                                      2000
                                    DELAWARE

/s/ illegible                                     /s/ illegible
---------------------------                       ----------------------------
SECRETARY AND TREASURER                           PRESIDENT

COUNTERSIGNED AND REGISTERED
CONTINENTAL STOCK TRANSFER & TRUST COMPANY
(JERSEY CITY, N.J.)
TRANSFER AGENT AND REGISTRAR

BY

AUTHORIZED OFFICER
<PAGE>

                                 RXBAZAAR, INC.

The following abbreviations, when used in the inscription on the face of this
Certificate, shall be construed as though they were written out in full
according to applicable laws or regulations:

TEN COM - as tenants in common                       UNIF GIFT MIN ACT
TEN ENT - as tenants by the entireties
JT TEN  - as joint tenants with right       ------------ Custodian -------------
          of survivorship and not as          (Cust)                  (Minor)
          tenants in common                    under Uniform Gifts to Minors
                                            Act_________________________________
                                                         (State)

    Additional abbreviations may also be used though not in the above list.

For Value Received________________________________________ hereby sell, assign
and tarnsfer unto

PLEASE INSERT SOCIAL SECURITY OR
IDENTIFICATION NUMBER OF ASSIGNEE
---------------------------------

---------------------------------

--------------------------------------------------------------------------------
       (NAME AND ADDRESS OF TRANSFEREE SHOULD BE PRINTED OF TYPEWRITTEN)

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------------------------------------------------------------------------- Shares
of the Common Stock represented by the within Certificate and do hereby
irrevocably constitute and appoint

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to transfer the said stock on the books of the within-named Corporation with
full power of substitution in the premises.

Dated_____________________                        ______________________________
                                                          SIGNATURE

Signature(s) Guaranteed:

--------------------------------------------------
THE SIGNATURE(S) MUST BE GUARANTEED BY AN ELIGIBLE
GUARANTOR INSTITUTION (BANKS, STOCK-BROKERS, SAVINGS
AND LOAN ASSOCIATION AND CREDIT UNIONS WITH MEMBER-
SHIP IN AN APPROVED SIGNATURE GUARANTEE MEDALLION
PROGRAM), PURSUANT TO S.E.C. RULE 17Ad-15.

KEEP THIS CERTIFICATE IN A SAFE PLACE. IF IT IS LOST, STOLEN, MUTILATED OR
DESTROYED, THE CORPORATION WILL REQUIRE A BOND OF INDEMNITY AS A CONDITION TO
THE ISSUANCE OF A REPLACEMENT CERTIFICATE.

The Corporation is authorized to issue more than one class or series of
stock.  The Corporation will furnish without charge to each stockholder who
so requests a statement of the powers, designations, preferences and
relative, participating, optional or other special rights of each class of
stock or series thereof and the qualifications, limitations or restrictions
of such preferences and/or rights.EXHIBIT 10.38
                                                                   -------------

                                    AGREEMENT

     This Agreement is made by and between Able Laboratories, Inc. ("Able") and
RxBazaar, Inc. (together with its wholly-owned subsidiary RxB, Inc.,
"RxBazaar"), effective as of September 9, 2002.

     WHEREAS, Able holds 345,333 shares of Series A Preferred Stock, $0.001 par
value per share, of RxBazaar (the "Series A Stock") purchased for an original
purchase price of $3,700,000;

     WHEREAS, the Series A Stock is entitled, and RxBazaar has been accruing, a
"Stated Dividend" thereon in the amount of 8% per annum, pursuant to which
RxBazaar accrued an aggregate liability of $405,682 as of June 30, 2002 and has
continued to accrue thereafter;

     WHEREAS, Able also holds, as the assignee of the former holders of such
securities, promissory notes of RxBazaar in the aggregate principal amount of
$2,250,000, together with interest accrued thereon (the "Notes");

     WHEREAS, Able holds 238,000 shares of common stock, $0.001 par value per
share, of RxBazaar, Inc. ("RxBazaar Common Stock") and a warrant to purchase
168,000 shares of Common Stock; and

     WHEREAS, the parties wish to confirm certain terms relating to the Stated
Dividend payable on the RxBazaar Series A Stock, conversion of securities held
by Able, and registration for resale by Able of shares of RxBazaar Common Stock;

     NOW THEREFORE, the parties hereby agree as follows:

     1. PAYMENT OF SERIES A STATED DIVIDEND. Promptly upon the execution and
delivery of this Agreement, RxBazaar shall declare and pay to Able the Series A
Stated Dividend in shares of Common Stock, as follows: 202,841 shares of
RxBazaar Common Stock shall be issued in respect of the Stated Dividend accrued
through June 30, 2002, and 37,000 shares shall be issued in respect of the
Stated Dividend accrued thereafter during the quarter ending September 30, 2002.
The shares of Common Stock referred to in the previous sentence are referred to
hereinafter sometimes as the "Dividend Shares." The Dividend Shares shall upon
issuance be fully paid and non-assessable.

     2. WAIVER OF FUTURE DIVIDENDS. Able waives, upon receipt of the Dividend
Shares referred to in paragraph 1 above, on behalf of itself and any successor
in interest or transferee of any Series A Stock, any future dividends on the
Series A Stock.

     3. FURTHER AGREEMENT AS TO DIVIDEND SHARES. The parties hereby agree as
follows with respect to the Dividend Shares: Able shall notify RxBazaar of its
sales of Dividend Shares. Upon reaching gross proceeds equal to the accrued
Stated Dividend of $479,862 upon the sale of the Dividend Shares (the "Total
Dividend Amount") Able shall return any unsold Dividend Shares to RxBazaar. If,
upon the sale of all of the Dividend Shares, Able has not reached gross proceeds
equal to the Total Dividend Amount, then RxBazaar shall issue additional shares
to Able in a number that, when multiplied by the average market price of the
RxBazaar Common

<PAGE>

Stock for the three trading days prior to the date of issuance, will equal the
amount by which Able's gross proceeds fall short of the Total Dividend Amount.
If Able sells any Dividend Shares, other than in a broker's transaction and at a
price below the then-current market price of the RxBazaar Common Stock, then for
the purpose of this Paragraph Able shall be deemed to have sold such shares at
the then current market price.

     4. AGREEMENTS REGARDING CONVERSION AND REGISTRATION.

     (a) As soon as practicable after the date hereof RxBazaar will register, on
a registration statement on Form SB-2 or other appropriate form, the resale by
Able of (i) the Dividend Shares; (ii) 345,333 shares of RxBazaar Common Stock
issuable upon conversion of the Series A Preferred Stock and (iii) 238,000
shares of RxBazaar Common Stock held by Able.

     (b) Able may convert the principal and accrued interest on the Notes into
shares of RxBazaar Common Stock at the average closing bid price of the RxBazaar
Common Stock for the three trading days preceding the date of conversion by
Able. RxBazaar also agrees, upon Able's request after the effective date of the
registration statement referred to in Paragraph 4(a) above, to register, on a
registration statement on Form SB-2 or other appropriate form, the resale by
Able of the shares of RxBazaar Common Stock issuable upon conversion of the
Notes. RxBazaar agrees that Able shall also have so-called "piggyback"
registration rights respecting the shares of RxBazaar Common Stock issuable upon
conversion of the Notes in the event that RxBazaar files a registration
statement under the Securities Act, other than the registration statement
referred to in Paragraph 4(a) above, on which the resale of such shares could be
registered. However, RxBazaar may cut back or eliminate the Able shares from a
piggyback registration statement if including such Able shares would violate
RxBazaar's obligations to a third party or if RxBazaar or the underwriter or
primary selling stockholder in the offering reasonably determines that including
such shares in the offering could jeopardize the likelihood of an orderly
offering of the shares.

     (c) Able agrees to sell the Dividend Shares and settle any amounts pursuant
to Paragraph 3 above before selling any other shares of RxBazaar Common Stock.

     5. LOCK-UP

     Able agrees that, in connection with any public offering by RxBazaar that
does not include any shares registered for Able as a selling stockholder, it
will be subject to any lock-up that RxBazaar's officers and directors are
subject to.

     6. LIMITATION ON CONVERSION

     Able shall not be entitled to convert or exercise any security of RxBazaar
convertible into or exercisable for shares of RxBazaar Common Stock, including
without limitation any options, warrants, Notes or Series A Preferred Stock
("RxBazaar Convertible Securities"), unless and until such time as it
beneficially owns (as determined in accordance with Section 13(d) of the
Securities Exchange Act and the rules thereunder) less than 4.9% of the then
issued and outstanding shares of RxBazaar Common Stock, and thereafter Able
shall not be entitled to convert or exercise any RxBazaar Convertible Securities
if and to the extent that such conversion or exercise would result in Able
beneficially owning (as determined in

                                        2
<PAGE>

accordance with Section 13(d) of the Securities Exchange Act and the rules
thereunder) in excess of 4.9% of the then issued and outstanding shares of
RxBazaar Common Stock, including shares issuable upon conversion or exercise of
such RxBazaar Convertible Securities held by Able after application of this
Paragraph. Nothing contained herein shall be deemed to restrict the right of
Able to convert or exercise any RxBazaar Convertible Securities at such time as
such conversion will not violate the provisions of this Paragraph. The
provisions of this Paragraph may be waived by Able upon not less than 75 days
prior written notice to RxBazaar, whereupon the provisions of this Paragraph
shall continue to apply until such 75th day (or such later date as may be stated
in the notice of waiver).

     If Able should deliver an exercise or conversion notice for any RxBazaar
Convertible Securities that would result in the issuance of securities in excess
of the amount permitted hereunder, RxBazaar shall notify Able of this fact, and
shall honor the conversion for the maximum number of shares of such convertible
security permitted to be converted on such date in accordance with the terms of
this Agreement and return the excess RxBazaar Convertible Securities to Able.

     8. GENERAL

     (a) To the extent that any provision of this Agreement conflicts with any
previous agreement respecting registration and conversion of any RxBazaar
Convertible Securities, including without limitation the relevant provisions of
the Amended and Restated Loan Agreement dated February 23, 2001 and the related
documents entered into in connection therewith (the "Loan Agreements") and the
Series A Stock Purchase Agreement dated February 15, 2001 and the related
documents entered into in connection therewith (the "Series A Agreements"), then
the provisions of this Agreement shall be deemed to control, and each other such
agreement is hereby amended to the extent necessary to conform to the terms and
conditions stated herein. Except as superseded or amended hereby, the Loan
Agreements and the Series A Agreements will continue in effect pursuant to their
respective terms.

     (b) Any and all notices or other communications or deliveries required or
permitted to be provided hereunder shall be in writing and shall be deemed given
and effective on the earliest of (i) the date of transmission, if such notice or
communication is delivered via facsimile at the facsimile telephone number
specified in this Section prior to 5:00 p.m. (Boston time) on a Business Day,
(ii) the Business Day after the date of transmission, if such notice or
communication is delivered via facsimile at the facsimile telephone number
specified in this Agreement later than 5:00 p.m. (Boston time) on any date and
earlier than 11:59 p.m. (Boston time) on such date, (iii) the Business Day
following the date of mailing, if sent by nationally recognized overnight
courier service, or (iv) upon actual receipt by the party to whom such notice is
required to be given. The address for such notices and communications shall be
as set forth below such party's signature on the signature page to this
Agreement or such other address as may be designated in writing hereafter, in
the same manner, by such party.

     (c) No provision of this Agreement may be waived or amended except in a
written instrument signed, in the case of an amendment, by each of Able and
RxBazaar or, in the case of a waiver, by the party against whom enforcement of
any such waiver is sought. No waiver of any default with respect to any
provision, condition or requirement of this Agreement shall be

                                        3
<PAGE>

deemed to be a continuing waiver in the future or a waiver of any other
provision, condition or requirement hereof, nor shall any delay or omission of
either party to exercise any right hereunder in any manner impair the exercise
of any such right accruing to it thereafter.

     (d) This Agreement shall be binding upon and inure to the benefit of the
parties and their successors and permitted assigns. Neither party may assign
this Agreement or any rights or obligations hereunder without the prior written
consent of the other, except that Able may assign its rights and obligations
under the Loan Agreements or the Series A Agreements to any assignee of the
Notes or the Series A Stock.

     (e) The corporate laws of the State of Delaware shall govern all issues
concerning the relative rights of RxBazaar and its stockholders. All other
questions concerning the construction, validity, enforcement and interpretation
of this Agreement shall be governed by and construed and enforced in accordance
with the internal laws of The Commonwealth of Massachusetts, without regard to
the principles of conflicts of law thereof.

     (f) In case any one or more of the provisions of this Agreement shall be
invalid or unenforceable in any respect, the validity and enforceability of the
remaining terms and provisions of this Agreement shall not in any way be
affecting or impaired thereby and the parties will attempt to agree upon a valid
and enforceable provision which shall be a reasonable substitute therefor, and
upon so agreeing, shall incorporate such substitute provision in this Agreement.

     IN WITNESS WHEREOF, the undersigned have caused this Agreement to be duly
executed as of the date first above written.

                                           ABLE LABORATORIES, INC.

                                           By: /s/ Dhananjay G. Wadekar
                                               ----------------------------
                                                Dhananjay G. Wadekar
                                                President

                                           RXBAZAAR, INC.

                                           By: /s/ C. Robert Cusick
                                               ----------------------------
                                                C. Robert Cusick
                                                Chief Executive Officer

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