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Filing metadata

Accession number: 0000090185-12-000001
Form type: Form 4
Filer: SIGMA ALDRICH CORP
CIK: CIK 90185
Filed: Mar 09, 2012
Reporting period: Feb 18, 2011
Description: Insider transaction

Documents

0000090185-12-000001-index.htm

Complete submission

0000090185-12-000001.txt

directory listing

Filed by

SIGMA ALDRICH CORP