About.com: Chemistry
Offers original articles and features about chemistry, plus annotated links to selected relevant Internet resources compiled by a subject specialist, a subject-specific bulletin board, and details of related news and events. Topics include analytical chemistry, atomic structure, biochemistry, chromatography, crystallography, electrochemistry, plastics and polymers, and spectroscopy.

Chemical Information Sources
Guide to searching for chemistry information on the Internet. Also includes access to the Clearinghouse for Chemical Information Instructional Materials, which collects and distributes items that were developed to provide instruction in the use of chemical information sources, and archives of a chemical information sources discussion list, CHMINF-L.

Chemistry Online
Free resources aimed at teachers of a range of chemistry related disciplines including organic, polymer, bio, physical, inorganic, analytical and chemical engineering. Includes quizzes and chemistry news.

Chemistry Times
Offers aggregated news articles on developments in current chemistry research and development. Also offers links to related resources and, on submission of details, a free email newsletter and XML feeds.