MilliporeSigma is the U.S. life science business of Merck KGaA, Darmstadt, Germany, and has 19,000 employees and 72 manufacturing sites worldwide, with a portfolio of more than 300,000 products enabling scientific discovery. The company's biochemical and organic chemical products and kits are used in scientific and genomic research, biotechnology, pharmaceutical development, the diagnosis of disease and as key components in pharmaceutical and other high technology manufacturing. MilliporeSigma has customers in life science companies, university and government institutions, hospitals and in industry. More than one million scientists and technologists use its products. The company is committed to solving the toughest problems in life science by collaborating with the global scientific community For more information, visit www.sigma-aldrich.com.