ChemSources International

There are some commercial database products in addition to the sources listed above, such as ChemSources International, which includes the products of more than 8000 chemical companies worldwide. The Chemical Section lists approximately 250000 chemical compounds and provides contact data necessary for making direct enquiries to each chemical firm. The product is available at a cost of approximately 1000 for a single user CD-ROM license. 

A convenient source of information about the commercial availability of some 200,000 chemicals is M. Desing (ed.), Chem Sources—USA, published annually by Chemical Sources International, Clemson, SC 29633 in book format and as a CD-ROM. There is also a Chem Sources—Online search engine see www.chemsources.com. Many suppliers of chemicals maintain online catalogues that can be accessed on the Web. 

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