Sigma-Aldrich Corporation is a life science and high technology company. The Company develops, manufactures, purchases and distributes the range of chemicals, biochemicals and equipment available globally and also provides global biopharmaceutical testing services. These chemical products, kits and services are used in scientific research, including genomic and proteomic research, biotechnology, pharmaceutical development and as key components in pharmaceutical, diagnostic and other high technology manufacturing. As of December 31, 2012, the Company offered approximately 45,000 equipment products. On January 31, 2012, the Company completed its acquisition of all of interest of BioReliance, a provider of global biopharmaceutical testing services. On April 2, 2012, the Company acquired Research Organics, a supplier of purity biochemicals.