SciFinder-n

A resource produced by CAS (Chemical Abstracts Service), a division of the American Chemical Society (ACS), designed to facilitate research in the field of chemistry and related sciences. It offers information on 156 million substances, 118 million reactions, commercial suppliers, etc., along with 50 million bibliographic references derived from the analysis of major publications in the sector. Specific tools allow users to draw and search for structures, perform retrosynthetic analysis, consult procedures and protocols. Integration with PatentPak provides access to the full text of 10 million patents, which can be searched and downloaded. To access the resource, users have to register an account with their institutional e-mail address.