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Homepage of Merck.com, Merck

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

Medications, prescription drug information, pill identifier and pharmacy locator (24 hr pharmacies) for consumers and medical health professionals. The most popular drugs and their side effects, interactions, and use.

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

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...

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

ChemExper is a company joining together the areas of chemistry, computer science and telecommunication. The ChemExper Chemical Directory is a free service that allows to find a chemical by its molecular formula, IUPAC name, common name, CAS number, c...