"The Chemexper Chemical Directory - CCD - is a database which
currently lists more than 100 000 chemicals from an international range of
suppliers. You can search the CCD by1 molecular formulas, IUPAC names,
common names, CAS numbers, catalogue numbers, substructures or physical
Chemical databases from CambridgeSoft. "ChemFinder
has been providing free chemical searching to hundreds of thousands of
scientists since 1995. This free database provides chemical structures,
physical properties, and hyperlinks.
Database A valuable
site with links to other databases from the
Chemistry WebBook Go to the guide
and Ethnobotanical Search Page
SIRI MSDS Index
"Search Toxicology Reports here as well."