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Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
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<SEC-DOCUMENT>9999999997-09-017755.txt : 20090423
<SEC-HEADER>9999999997-09-017755.hdr.sgml : 20090423
<ACCEPTANCE-DATETIME>20090423122731
<PAPER>
ACCESSION NUMBER:		9999999997-09-017755
CONFORMED SUBMISSION TYPE:	ARS
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20081231
FILED AS OF DATE:		20090416
DATE AS OF CHANGE:		20090423
EFFECTIVENESS DATE:		20090416

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			SIGMA ALDRICH CORP
		CENTRAL INDEX KEY:			0000090185
		STANDARD INDUSTRIAL CLASSIFICATION:	WHOLESALE-CHEMICALS & ALLIED PRODUCTS [5160]
		IRS NUMBER:				431050617
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		ARS
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	000-08135
		FILM NUMBER:		09010271

	BUSINESS ADDRESS:	
		STREET 1:		3050 SPRUCE ST
		CITY:			ST LOUIS
		STATE:			MO
		ZIP:			63103
		BUSINESS PHONE:		3147715765

	MAIL ADDRESS:	
		STREET 1:		3050 SPRUCE STREET
		CITY:			ST LOUIS
		STATE:			MO
		ZIP:			63103

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	SIGMA INTERNATIONAL LTD
		DATE OF NAME CHANGE:	19750925

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	ALDRICH CHEMICAL CO INC
		DATE OF NAME CHANGE:	19750908
</SEC-HEADER>
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<TYPE>ARS
<SEQUENCE>1
<FILENAME>9999999997-09-017755.paper
<DESCRIPTION>AUTO-GENERATED PAPER DOCUMENT
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This document was generated as part of a paper submission.
Please reference the Document Control Number 09010271 for access to the original document.
</TEXT>
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