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ChemExper is a company joining together the areas of chemistry, computer science and telecommunication. The ChemExper Chemical Directory is a free service that ...

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

Wiley-VCH Verlag GmbH & Co. KGaA, Weinheim - A passion for publishing

Chemical Abstracts Service, CAS, is the producer of Chemical Abstracts, SciFinder, and co-partner in operating STN International, all of which provide ...

Chem4Kids.com! The web site that teaches the basics of chemistry to everyone!

Free chemical structure search engine. Millions of public domain structures. Very fast substructure searching. Results link to data about these structures.

The Organic Chemistry Portal offers an overview of recent topics, interesting reactions and information on important chemicals for organic chemists.

Online editions of the majority of Wiley's 400+ scientific, technical, medical and professional journals. An essential resource for scientists, researchers ...