Reaxys Reaxys

Reaxys is a web-based search and retrieval system for chemical compounds, bibliographic data and chemical reactions using the following databases:

Beilstein (organic chemistry)
Gmelin (inorganic chemistry)
Patent Chemistry
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The Reaxys database covers over 18 million structures and about 28 million searchable reactions. Also included are chemical names, properties (for example, physical and physiological data), methods of preparation of compounds. It covers organic, inorganic and organometallic compounds.