Sigma-Aldrich® — United States

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About Sigma-Aldrich: Sigma-Aldrich is a leading Life Science and High Technology company whose biochemical, organic chemical products, kits and services are used in scientific research, including genomic and proteomic research, biotechnology, pharmaceutical development, the diagnosis of disease and as key components in pharmaceutical, diagnostics and high technology manufacturing. Sigma-Aldrich customers include more than 1.3 million scientists and technologists in life science companies, university and government institutions, hospitals and industry. The Company operates in 35 countries and has nearly 9,000 employees whose objective is to provide excellent service worldwide. Sigma-Aldrich is committed to accelerating customer success through innovation and leadership in Life Science and High Technology. For more information about Sigma-Aldrich, please visit its website at www.sigma-aldrich.com.

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Contact Information
For answers to general questions
about Sigma-Aldrich from the
Continental United States, call
1-800-521-8956
Sigma-Aldrich Corporate Offices
Sigma-Aldrich
3050 Spruce St.
St. Louis, MO 63103