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ChemSpider is a free chemical structure database providing fast access to over 26 million structures, properties and associated information.

PubChem homepage

NIST site provides chemical and physical property data on over 40,000 compounds.

Yahoo! Answers is a new way to find and share information. You can ask questions on any topic, get answers from real people, and share your insights and experience.

Index page for the Faculty, Staff and Class Project webserver directory at St. Louis Community College

Roanoke College, a classic liberal arts college in Salem, Virginia, combines firsthand learning with valuable personal connections in a beautiful, undergraduate setting. Roanoke is one of just seven percent of colleges nationwide with a chapter of Ph...

A freely accessible database of chemicals with synthesis references and physical properties

Answers.com: Wiki Q&A combined with free online dictionary, thesaurus, and encyclopedias. Ask questions, get answers.

Prescription drug information and news for professionals and consumers. Search our drug database for comprehensive prescription and patient information on 24,000 drugs online

Identify chemical structures on web pages and provide predicted data for each structure using ChemAxon