CRC Handbook of Chemistry and Physics Online version of the 88th edition of this indispensable reference for chemical and physical data. Current.
Reaxys is based on the combined content of CrossFire Beilstein (Organic Chemistry), CrossFire Gmelin (Inorganic and Organometallic Chemistry), and the Patent Chemistry Database. Searchable via a web interface, Reaxys contains more content and increased functionality.
SciFinder Web Chemical Abstracts Service (CAS) databases of chemistry and related scientific fields. Mid 1800's-present. SciFinder Web requires account registration with UMass Amherst email account. License terms require that users connect to SciFinder Web through a computer on the UMass Amherst network. REGISTER