Name Description
American Chemical Society citation format examples  from Williams College library
Material Safety Data Sheet Databases Links to major MSDS sites
Periodic Table Live! Award winning Interactive site with data for all elements
PubChem Federal government chemistry portal, includes searchable databases: PubChem Substance, PubChem Compound, and PubChem BioAssay.
Spectra Database System for Organic Compounds Six types of spectra presented in an integrated database, from National Institute of Science & Technology, Japan
Web Elements Periodic table on the Web.
Yahoo Chemistry Resources Subject directory of Yahoo's chemistry links.