Reaxys is a factographic chemical database published by Elsevier B.V. It contains information on organic, inorganic and organometallic chemistry and related sciences: chemical engineering and medical sciences. It focuses on criteria and parameters of various types of chemical reactions, detailed chemical procedures, plans of syntheses using the most effective methods, syntheses of new compounds, methods of identification of compounds and their physicochemical, bioactive and toxicological properties, etc.
Since 2018, the database has been providing access to the Reaxys Medicinal Chemistry (RMC) module. It is the world’s largest database of chemical bioactivity, currently containing over 33.5 million bioactivity data for over 6.5 million substances and over 20,000 unique pharmacological targets. RMC contains comprehensive pharmacokinetic data on efficacy, toxicity, safety and metabolic profiles.