Chemistry 

American Chemical Society - a congressionally chartered independent membership organization which represents professionals at all degree levels and in all fields of chemistry and sciences that involve chemistry.

Chemdex.org - Serves as an aggregator site to online chemistry information.

Cheminfo: Chemistry Information Sources from Indiana University - Designed to help people find and learn how to use chemical information resources on the Internet and elsewhere. Brings together Web sites at Indiana University with significant chemical information content."

Infomine: Scholarly Internet Resource Collection - Regents of the University of California

InfoSurf: Chemistry and Biochemistry (University of California-Santa Barbara Library) - Links to chemical data sources; materials safety data sheets; chemical departments; and super sites all updated in 2004; awards and prizes; professional societies; conferences, meetings, symposia; publishers all updated in 2000.

Librarian's Internet Index (Chemistry) - Guide to a variety of chemistry sites.

Links for Chemistry (WWW Virtual Library) - University of Liverpool

Maine's Science, Technology, and Business Library: Chemistry

Web Elements^TM Periodic Table Scholar Edition - For each element there is additional information on the essentials, history, isolation, compounds, uses, physical data, electronic data, nuclear datam biology, geology, structure.

Where to Find Material Safety Data Sheets on the Internet - FAQs, regulations, a glossary, software, supplies, and other Internet sites.