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Thousands of biochemicals and research products. A dedicated team of scientists and support staff. Helping to make your research possible

PubChem homepage

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

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

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

Definition of word from the Merriam-Webster Online Dictionary with audio pronunciations, thesaurus, Word of the Day, and word games.

Medical Dictionary is intended for use by healthcare consumers, students, and professionals as well as anyone who wants to keep up with the burgeoning array of terminology found in today’s medical news. By staying clear of jargon, the dictionary o...

VAXAInternational combines homeopathics, along with vitamins, minerals, amino acids and herbal medicine to give you the best natural alternatives.

Environmental Working Group (EWG) works to protect kids from toxic chemicals in our food, water, air and the products we use every day. We use research to help create federal policies that protect our children, our health, and our natural resources.

Explore the updated online encyclopedia from Encyclopaedia Britannica with hundreds of thousands of articles, biographies, videos, images, and web sites.

Dictionary.com - the largest and most trusted free online dictionary. Instantly look up accurate and extensive definitions and word meanings, and hear audio pronunciations.