Chemical Information Resources pointing to biomedical information, ChemIDplus structure/name file, HSDB structure file, NCI3D Structure file, search by name, struucture, substructure with hyperlinked locators for immediate searches of toxic...More
Chemical Information Resources pointing to biomedical information, ChemIDplus structure/name file, HSDB structure file, NCI3D Structure file, search by name, struucture, substructure with hyperlinked locators for immediate searches of toxicology and medical data by CAS Registry Number
Toxicology, environmental health, and chemical databases and other information resources from the Toxicology and Environmental Health Information Program, National Library of Medicine, National Institutes of Health
ChemSpider is a chemistry search engine built with the intention of aggregating and indexing chemical structures and their associated information into a single searchable repository and making it available to everybody, at no charge. ChemSp...
ChemExper is a company joining together the areas of chemistry, computer science and telecommunication. The ChemExper Chemical Directory is a free service that allows to find a chemical by its molecular formula, IUPAC name, common name, CAS...
Free chemical structure search engine. Millions of public domain structures. Very fast substructure searching. Results link to data about these structures.
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