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Filing metadata

Accession number: 0001246360-12-002286
Form type: Form 4
Filer: SIGMA ALDRICH CORP
CIK: CIK 90185
Filed: May 04, 2012
Reporting period: May 02, 2012
Description: Insider transaction

Documents

0001246360-12-002286-index.htm

Complete submission

0001246360-12-002286.txt

directory listing

Filed by

SIGMA ALDRICH CORP