About ChemIDplus Advanced (TOXNET)
UT Southwestern Medical Center Library
ChemIDplus Advanced (TOXNET)
ChemIDplus is the online chemical identification file of the National Library of Medicine, which allows for advanced searching on any combination of name, registry number, molecular formula, classification code, locator code, toxicity, physical property, structure, or molecular weight. Users may also draw their own structures and perform similarity and substructure searches.