Sigma-Aldrich Corporation, through its subsidiaries, engages in the development, manufacture, and distribution of various biochemicals and organic chemicals worldwide. Its chemical products and kits are used in scientific and genomic research, biotechnology, pharmaceutical development, and diagnosis of diseases, as well as components in pharmaceutical and other high technology manufacturing. The company offers approximately 100,000 chemical and approximately 30,000 equipment products. The company operates three divisions: Scientific Research, Biotechnology, and Fine Chemicals. The Scientific Research division sells biochemicals, organic chemicals, reagents, and other products used by...