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wiseGEEK: clear answers for common questions

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Santa Cruz Biotechnology is the leading supplier of antibodies, antibody support products, gene silencers, biochemicals, buffers, lab reagents and labware

Environmental Working Group (EWG) works to protect kids from toxic chemicals in our food, water, air and the products we use every day. We use research to help create federal policies that protect our children, our health, and our natural resources.

ChemSpider is a free chemical structure database providing fast access to over 26 million structures, properties and associated information.

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NIST site provides chemical and physical property data on over 40,000 compounds.

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