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Filing metadata

Accession number: 0000090185-11-000054
Form type: Form 4
Filer: SIGMA ALDRICH CORP
CIK: CIK 90185
Filed: May 06, 2011
Reporting period: May 04, 2011
Description: Insider transaction

Documents

0000090185-11-000054-index.htm

Complete submission

0000090185-11-000054.txt

directory listing

Filed by

SIGMA ALDRICH CORP