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

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Santa Cruz Biotechnology is the leading supplier of antibodies, antibody support products, gene silencers, biochemicals, buffers, lab reagents and labware

Perfumery, Flavor & Botanical Information Center.

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

Cole-Parmer provides a complete range of quality laboratory instruments, equipment and unmatched applications assistance for the biotech, research, and technical communities worldwide. Find the right instrumentation, equipment, chemicals, replacement...

PCAS is an international supplier of fine chemicals and custom synthesis services for pharmaceutical and specialty chemical companies. We offer acrolein and thiophene derivatives, acetophenones, benzophenones, propiophenones, esters, acid chlorides, ...

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...