REAXYS provides property, structure and reaction data for millions of chemical substances (organic, inorganic and organometallic) and chemical reactions. Up to hundreds of fields of chemical and physical property information are available. Reaxys combines the Beilstein Handbook of Organic Chemistry, the Gmelin Handbook of Inorganic and Organometallic Chemistry and the Elsevier Patent Chemistry Database. It is searchable by text keywords, numerical physical and chemical properties, and by chemical structures and substructures.
1772 – present Chemical substances
1976 – present Chemical patents
1980 – present Organic chemistry journal articles
1995 – present Inorganic chemistry journal articles