ChemSpider chemical database

ChemSpider is an online chemistry database, piloted in 2007 and officially launched in March 2008, based in Raleigh, North Carolina, U.S.A. The database documents more than 35 million molecules, with data from 490 sources, including the U.S. Food and Drug Administration and the Kyoto Encyclopedia of Genes and Genomes. (Data as of September 2015)