Sigma-Aldrich Corporation, a life science and high technology company, develops, manufactures, purchases, and distributes various chemicals, biochemicals, and equipment worldwide. It offers biological buffers, cell culture reagents, biochemicals, chemicals, solvents, and other reagents and kits; organic chemicals, analytical reagents, chromatography and other laboratory consumables, reference materials, and high-purity products. The company also supplies immunochemical, molecular biology, cell biology, proteomic, genomic, transgenic, and other life science products; and organic chemicals and biochemicals. Its chemical products and kits are used in scientific research, including genomic and proteomic research, biotechnology, and pharmaceutical development; and as key components in pharmaceutical, diagnostic, and other high technology manufacturing. The company sells its products to research buyers, lab scientists, hospitals, universities, commercial laboratories, non-profit organizations, governmental institutions, and hospitals, as well as to pharmaceutical, industrial, biotechnology, diagnostic, chemical, and electronics companies. Sigma-Aldrich Corporation was founded in 1951 and is based in St. Louis, Missouri.