EXHIBIT 3.6

                                    BY-LAWS

                                      OF

                   SCHEIN PHARMACEUTICAL INTERNATIONAL, INC.

                                    ------

                                   ARTICLE I

                                    OFFICES

        SECTION 1.  REGISTERED OFFICE.--The registered office shall be 
established and maintained at the office of The Prentice-Hall Corporation 
System, Inc., in the City of Dover, in the County of Kent, in the State of 
Delaware, and said corporation shall be the registered agent of this corporation
in charge thereof.

        SECTION 2.  OTHER OFFICES.--The corporation may have other offices, 
either within or without the State of Delaware, at such place or places as the 
Board of Directors may from time to time appoint or the business of the 
corporation may require.

                                  ARTICLE II

                           MEETINGS OF STOCKHOLDERS

        SECTION 1.  ANNUAL MEETINGS.--Annual meetings of stockholders for the 
election of directors and for such other business as may be stated in the notice
of the meeting, shall be held at such place, either within or without the State 
of Delaware, and at such time and date as the Board of Directors, by resolution,
shall determine and as set forth in the notice of the meeting.

        If the date of the annual meeting shall fall upon a legal holiday, the 
meeting shall be held on the next succeeding business day. At each annual 
meeting, the stockholders entitled to vote shall elect a Board of Directors and 
they may transact such other corporate business as shall be stated in the 
notice of the meeting.

        SECTION 2.  OTHER MEETINGS.--Meetings of stockholders for any purpose 
other than the election of directors may be held at such time and place, within 
or without the State of Delaware, as shall be stated in the notice of the 
meeting.

        SECTION 3.  VOTING.--Each stockholder entitled to vote in accordance 
with the terms of the Certificate of Incorporation and these By-Laws shall be 
entitled to one vote, in



 
person or by proxy, for each share of stock entitled to vote held by such 
stockholder, but no proxy shall be voted after three years from its date unless 
such proxy provides for a longer period. Upon the demand of any stockholder, the
vote for directors and the vote upon any question before the meeting, shall be 
by ballot. All elections for directors shall be decided by plurality vote; all 
other questions shall be decided by majority vote except as otherwise provided 
by the Certificate of Incorporation or the laws of the State of Delaware.

        A complete list of the stockholders entitled to vote at the ensuing 
election, arranged in alphabetical order, with the address of each, and the 
number of shares held by each, shall be open to the examination of any 
stockholder, for any purpose germane to the meeting, during ordinary business 
hours for a period of at least ten days prior to the meeting, either at a place 
within the city where the meeting is to be held, which place shall be specified 
in the notice of the meeting, or, if not so specified, at the place where the
meeting is to be held. The list shall also be produced and kept at the time and
place of the meeting during the whole time thereof, and may be inspected by any
stockholder who is present.

        SECTION 4.  QUORUM.--Except as otherwise required by law, by the 
Certificate of Incorporation or by these By-Laws, the presence, in person or by 
proxy, of stockholders holding a majority of the stock of the corporation 
entitled to vote shall constitute a quorum at all meetings of the stockholders. 
In case a quorum shall not be present at any meeting, a majority in interest of 
the stockholders entitled to vote thereat, present in person or by proxy, shall 
have power to adjourn the meeting from time to time, without notice other than 
announcement at the meeting, until the requisite amount of stock entitled to 
vote shall be present. At any such adjourned meeting at which the requisite 
amount of stock entitled to vote shall be represented, any business may be 
transacted which might have been transacted at the meeting as originally 
noticed; but only those stockholders entitled to vote at the meeting as 
originally noticed shall be entitled to vote at any adjournment or adjournments 
thereof.

        SECTION 5.  SPECIAL MEETINGS.--Special meetings of the stockholders for 
any purpose or purposes may be called by the President or Secretary, or by 
resolution of the directors or by vote of the stockholders holding twenty-five 
(25) percent or more of the outstanding stock of the corporation.

        SECTION 6.  NOTICE OF MEETINGS.--Written notice, stating the place, date
and time of the meeting, and the general nature of the business to be
considered, shall be given to each stockholder entitled to vote thereat at his
address as it appears on the records of the corporation, not less than ten nor
more than sixty days before the date of the meeting. No business

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other than that stated in the notice shall be transacted at any meeting without 
the unanimous consent of all the stockholders entitled to vote thereat.

        SECTION 7.  ACTION WITHOUT MEETING.--Unless otherwise provided by the 
Certificate of Incorporation, any action required to be taken at any annual or 
special meeting of stockholders, or any action which may be taken at any annual 
or special meeting, may be taken without a meeting, without prior notice and 
without a vote, if a consent in writing, setting forth the action so taken, 
shall be signed by the holders of outstanding stock having not less than the 
minimum number of votes that would be necessary to authorize or take such action
at a meeting at which all shares entitled to vote thereon were present and 
voted. Prompt notice of the taking of the corporate action without a meeting by 
than unanimous written consent shall be given to those stockholders who have 
not consented in writing. 

                                  ARTICLE III

                                   DIRECTORS

        SECTION 1.  NUMBER AND TERM.--The number of directors constituting the 
Board of Directors shall be not more than nine nor less than one, as fixed from 
time to time by action of the stockholders or the Board of Directors. The 
directors shall be elected at the annual meeting of the stockholders and each 
director shall be elected to serve until his or her successor shall be elected 
and shall qualify. Directors need not be stockholders.

        SECTION 2.  RESIGNATIONS.--Any director, member of a committee or other 
officer may resign at any time. Such resignation shall be made in writing, and 
shall take effect at the time specified therein, and if no time be specified, at
the time of its receipt by the President or Secretary. The acceptance of a 
resignation shall not be necessary to make it effective.

        SECTION 3.  VACANCIES.--If the office of any director, member of a 
committee or other officer becomes vacant, the remaining directors in office, 
though less than a quorum by a majority vote, may appoint any qualified person 
to fill such vacancy, who shall hold office for the unexpired term and until his
successor shall be duly chosen provided, however, that if there are no directors
then in office due to such a vacancy, the stockholders may elect a successor 
who shall hold office for the unexpired term and until his successor shall be 
elected and qualified.

        SECTION 4. REMOVAL.--Except as hereinafter provided, any director or 
directors may be removed either for or 

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without cause at any time by the affirmative vote of the holders of a majority 
of all the shares of stock outstanding and entitled to vote, at a special 
meeting of the stockholders called for the purpose and the vacancies thus 
created may be filled, at the meeting held for the purpose of removal, by the 
affirmative vote of a majority in interest of the stockholders entitled to vote.

        Unless the Certificate of Incorporation otherwise provides, stockholders
may effect removal of a director who is a member of a classified Board of
Directors only for cause. If the Certificate of Incorporation provides for
cumulative voting and if less than the entire board is to be removed, no
director may be removed without cause if the votes cast against his removal
would be sufficient to elect him if then cumulatively voted at an election of
the entire board of directors, or, if there be classes of directors, at an
election of the class of directors of which he is a part.

        If the holders of any class or series are entitled to elect one or more 
directors by the provisions of the Certificate of Incorporation, these 
provisions shall apply, in respect to the removal without cause of a director or
directors so elected, to the vote of the holders of the outstanding shares of 
that class or series and not to the vote of the outstanding shares as a whole.

        SECTION 5.  INCREASE OF NUMBER.--The number of directors may be 
increased by the affirmative vote of a majority of the directors, though less 
than a quorum, or, by the affirmative vote of a majority in interest of the 
stockholders, at the annual meeting or at a special meeting called for that 
purpose, and by like vote the additional directors may be chosen at such meeting
to hold office until the next annual election and until their successors are 
elected and qualify.

        SECTION 6.  POWERS.--The Board of Directors shall exercise all powers of
the corporation except such as are by law, or by the Certificate of 
Incorporation of the corporation or by these By-Laws conferred upon or reserved 
to the stockholders.

        SECTION 7.  COMMITTEES.--The Board of Directors may, by resolution or 
resolutions passed by a majority of the whole board, designate one or more 
committees, each committee to consist of one or more of the directors of the
corporation. The board may designate one or more directors as alternate members
of any committee, who may replace any absent or disqualified member at any
meeting of the committee. In the absence or disqualification of any member of
such committee or committees, the member or members thereof present at any
meeting and not disqualified from voting, whether or not he or they constitute a
quorum, may unanimously appoint another member of the Board of

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Directors to act at the meeting in the place of any such absent or disqualified 
member.

        Any such committee, to the extent provided in the resolution of the 
Board of Directors, or in these By-Laws, shall have and may exercise all the 
powers and authority of the Board of Directors in the management of the business
and affairs of the corporation, and may authorize the seal of the corporation to
be affixed to all papers which may require it; but no such committee shall have 
the power or authority in reference to amending the Certificate of 
Incorporation, adopting an agreement of merger or consolidation, recommending to
the stockholders the sale, lease or exchange of all or substantially all of the 
corporation's property and assets, recommending to the stockholders a 
dissolution of the corporation or a revocation of a dissolution, or amending the
By-Laws of the corporation; and, unless the resolution, these By-Laws or the 
Certificate of Incorporation expressly so provide, no such committee shall have 
the power or authority to declare a dividend or to authorize the issuance of 
stock.

        SECTION 8.  MEETINGS.--The newly elected directors may hold their first 
meeting for the purpose of organization and the transaction of business, if a 
quorum be present, immediately after the annual meeting of the stockholders; or 
the time and place of such meeting may be fixed by consent in writing of all the
directors.

        Regular meetings of the directors may be held without notice at such 
places and times as shall be determined from time to time by resolution of the 
directors.

        Special meetings of the board may be called by the President or by the 
Secretary on the written request of any two directors on at least two days' 
notice to each director and shall be held at such place or places as may be 
determined by the directors, or as shall be stated in the call of the meeting.

        Unless otherwise restricted by the Certificate of Incorporation or these
By-Laws, members of the Board of Directors, or any committee designated by the 
Board of Directors, may participate in a meeting of the Board of Directors, or 
any committee, by means of conference telephone or similar communications 
equipment by means of which all persons participating in the meeting can hear 
each other, and such participation in a meeting shall constitute presence in 
person at the meeting.

        SECTION 9.  QUORUM.--A majority of the directors shall constitute a 
quorum for the transaction of business. If at any meeting of the board there 
shall be less than a quorum present, a majority of those present may adjourn the
meeting from time to time until a quorum is obtained, and no 

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further notice thereof need be given other than by announcement at the meeting 
which shall be so adjourned.

        SECTION 10.     COMPENSATION. -- Directors shall not receive any stated 
salary for their services as directors or as members of committees, but by 
resolution of the board a fixed fee and expenses of attendance may be allowed 
for attendance at each meeting.  Nothing herein contained shall be construed to 
preclude any director from serving the corporation in any other capacity as an 
officer, agent or otherwise, and receiving compensation therefor.

        SECTION 11.     ACTION WITHOUT MEETING. -- Any action required or 
permitted to be taken at any meeting of the Board of Directors, or of any 
committee thereof, may be taken without a meeting, if a written consent thereto
is signed by all members of the board, or of such committee as the case may be, 
and such written consent id filed with the minutes of proceedings of the board 
or committee.

                                  ARTICLE IV

                                   OFFICERS

        SECTION 1.      OFFICERS. -- The officers of the corporation shall be a 
President, a Treasurer and a Secretary, all of whom shall be elected by the 
Board of Directors and who shall hold office until their successors are elected 
and qualified.  In addition, the Board of Directors may elect a Chairman, one 
or more Vice-Presidents, and such Assistant Secretaries and Assistant 
Treasurers as they may deem proper.  Non of the officers of the corporation 
need be directors.  The officers shall be elected at the first meeting of the 
Board of Directors after each annual meeting.  More than two offices may be held
by the same person.  Any officer may be removed, with or without cause, by the 
Board of Directors.  Any vacancy may be filled by the Board of Directors.

        SECTION 2.      OTHER OFFICERS AND AGENTS. -- The Board of Directors may
appoint such other officers and agents as it may deem advisable, who shall hold 
their offices for such terms and shall exercise such powers and perform such 
duties as shall be determined from time to time by the Board of Directors. 

        SECTION 3.      CHAIRMAN. -- The Chairman of the Board of Directors, if 
one be elected shall preside at all meetings of the Board of Directors and he 
shall have and perform such other duties as from time to time may be assigned to
him by the Board of Directors.

        SECTION 4.      PRESIDENT. -- The President shall preside at all 
meetings of the stockholders if present thereat, and in the absence or 
non-election of the Chairman of the Board

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of Directors, at all meetings of the Board of Directors, and shall have general 
supervision, direction and control of the business of the corporation subject to
the authorization and control of the Board of Directors. Except as the Board of 
Directors shall authorize the execution thereof in some other manner, he shall 
execute bonds, mortgages and other contracts on behalf of the corporation, and 
shall cause the seal to be affixed to any instrument requiring it and when so 
affixed the seal shall be attested by the signature of the Secretary or the 
Treasurer or an Assistant Secretary or an Assistant Treasurer.

        SECTION 5.  VICE-PRESIDENT.--Each Vice-President shall have such powers 
and shall perform such duties as shall be assigned to him by the directors.

        SECTION 6.  TREASURERS.--The Treasurer shall have the custody of the 
corporate funds and securities and shall keep full and accurate account of 
receipts and disbursements in books belonging to the corporation. He shall 
deposit all moneys and other valuables in the name and to the credit of the 
corporation in such depositaries as may be designated by the Board of Directors.

        The Treasurer shall disburse the funds of the corporation as may be 
ordered by the Board of Directors, or the President, taking proper vouchers for 
such disbursements. He shall render to the President and Board of Directors at 
the regular meetings of the Board of Directors, or whenever they may request it,
an account of all his transactions as Treasurer and of the financial condition 
of the corporation. If required by the Board of Directors, he shall give the 
corporation a bond for the faithful discharge of his duties in such amount and 
with such surety as the board shall prescribe.

        SECTION 7.  SECRETARY.--The Secretary shall give, or cause to be given, 
notice of all meetings of stockholders and directors, and all other notices 
required by law or by these By-Laws, and in case of his absence or refusal or 
neglect so to do, any such notice may be given by any person thereunto directed 
by the President, or by the directors, or stockholders, upon whose requisition 
the meeting is called as provided in these By-Laws. He shall record all the 
proceedings of the meetings of the corporation and of the directors in a book to
be kept for that purpose, and shall perform such other duties as may be assigned
to him by the directors or the President. He shall have custody of the seal of 
the corporation and shall affix the same to all instruments requiring it, when 
authorized by the directors or the President, and attest the same.

        SECTION 8.  ASSISTANT TREASURERS AND ASSISTANT SECRETARIES.--Assistant 
Treasurers and Assistant Secretaries, if any, shall be elected and shall have 
such powers and shall

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perform such duties as shall be assigned to them, respectively, by the 
directors.

                                   ARTICLE V

                                 MISCELLANEOUS

        SECTION 1.  CERTIFICATES OF STOCK.--Certificates of stock, signed by the
Chairman or Vice Chairman of the Board of Directors, if they be elected, 
President or Vice-President, and the Treasurer or an Assistant Treasurer, or 
Secretary or an Assistant Secretary, shall be issued to each stockholder 
certifying the number of shares owned by him in the corporation. Any or all the 
signatures may be facsimiles.

        SECTION 2.  LOST CERTIFICATES.--A new certificate of stock may be issued
in the place of any certificate theretofore issued by the corporation, alleged 
to have been lost or destroyed, and the directors may, in their discretion, 
require the owner of the lost or destroyed certificate, or his legal 
representatives, to give the corporation a bond, in such sum as they may direct,
not exceeding double the value of the stock, to indemnify the corporation 
against any claim that may be made against it on account of the alleged loss of 
any such certificate, or the issuance of any such new certificate.

        SECTION 3.  TRANSFER OF SHARES.--The shares of stock of the corporation 
shall be transferable only upon its books by the holders thereof in person or by
their duly authorized attorneys or legal representatives, and upon such transfer
the old certificates shall be surrendered to the corporation by the delivery 
thereof to the person in charge of the stock and transfer books and ledgers, or 
to such other person as the directors may designate, by whom they shall be 
cancelled, and new certificates shall thereupon be issued. A record shall be 
made of each transfer and whenever a transfer shall be made for collateral 
security, and not absolutely, it shall be so expressed in the entry of the 
transfer.

        SECTION 4.  STOCKHOLDERS RECORD DATE.--In order that the corporation may
determine the stockholders entitled to notice of or to vote at any meeting of 
stockholders or any adjournment thereof, or to express consent to corporate 
action in writing without a meeting, or entitled to receive payment of any 
dividend or other distribution or allotment of any rights, or entitled to 
exercise any rights in respect of any change, conversion or exchange of stock or
for the purpose of any other lawful action, the Board of Directors may fix, in 
advance, a record date, which shall not be more than sixty nor less than ten 
days before the date of such meeting, nor more than sixty days prior to any 
other action. A determination of stockholders of record entitled to notice of or
to vote at a meeting of 

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stockholders shall apply to any adjournment of the meeting; provided, however, 
that the Board of Directors may fix a new record date for the adjournment 
meeting.

        SECTION 5.  DIVIDENDS.-- Subject to the provisions of the Certificate
of Incorporation, the Board of Directors may, out of funds legally available
therefor at any regular or special meeting, declare dividends upon the capital
stock of the corporation as and when they deem expedient. Before declaring any
dividend there may be set apart out of any funds of the corporation available
for dividends, such sum or sums as the directors from time to time in their
discretion deem proper for working capital or as a reserve fund to meet
contingencies or for equalizing dividends or for such other purposes as the
directors shall deem conducive to the interests of the corporation.

        SECTION 6.  SEAL.-- The corporate seal shall be circular in form and
shall contain the name of the corporation, the year of its creation and the
words "CORPORATE SEAL DELAWARE." Said seal may be used by causing it or a
facsimile thereof to be impressed or affixed or reproduced or otherwise.

        SECTION 7.  FISCAL YEAR.-- The fiscal year of the corporation shall be
determined by resolution of the Board of Directors.

        SECTION 8.  CHECKS.-- All checks, drafts or other orders for the
payment of money, notes or other evidences of indebtedness issued in the name of
the corporation shall be signed by such officer or officers, agent or agents of
the corporation, and in such manner as shall be determined from time to time by
resolution of the Board of Directors.

        SECTION 9.  NOTICE AND WAIVER OF NOTICE.-- Whenever any notice is 
required by these By-Laws to be given, personal notice is not meant unless 
expressly so stated, and any notice so required shall be deemed to be 
sufficient if given by depositing the same in the United States mail, postage 
prepaid, addressed to the person entitled thereto at his address as it appears 
on the records of the corporation, and such notice shall be deemed to have been 
given on the date of such mailing.  Stockholders not entitled to vote shall not 
be entitled to receive notice of any meetings except as otherwise provided by 
Statute.

        Whenever any notice whatsoever is required to be given under the 
provisions of any law, or under the provisions of the Certificate of 
Incorporation of the corporation or these By-Laws, a waiver thereof in writing, 
signed by the person or persons entitled to said notice, whether before or after
the time states therein, shall be deemed equivalent thereto.

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                                  ARTICLE VI

                                  AMENDMENTS

        These By-Laws may be altered or repealed and By-Laws may be made at any 
annual meeting of the stockholders or at any special meeting thereof if notice
of the proposed alteration or repeal or By-Law or By-Laws to be made be
contained in the notice of such special meeting, by the affirmative vote of a
majority of the stock issued and outstanding and entitled to vote thereat, or by
the affirmative vote of a majority of the Board of Directors, at any regular
meeting of the Board of Directors, or at any special meeting of the Board of
Directors, if notice of the proposed alteration or repeal, or By-Law of By-Laws
to be made, be contained in the notice of such special meeting.

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