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150 Years of Chemistry The Beilstein Handbook of Organic Chemistry has gone electronic! You can access this important data base on STN International. BEILSTEIN is a worthy com plement to the other essential chemical databases on the network, including the CAS Registry Files^ adding to STN's already excellent coverage of chemistry. BEILSTEIN on STN provides structure, substructure, numeric, and text searching on some 1.6 million heterocyclic compounds and 110,000 acyclic com pounds. You'll find a vast amount of evaluated and verified data for specific substances reported from 1830 to 1960 and information on unreviewed excerpts from 1960 to 1980. BEILSTEIN covers substance identification, syntheses and reactions, structure and energy parameters, state
of aggregation, mechanical properties, thermodynamic data, transport phenomena, optical and spectral data, and electrochemical behavior. Find out how rewarding it is to search BEILSTEIN on STN. Return the coupon below. BEILSTEIN is produced by the Beilstein Institute a n d supplied by Springer-Verlag.
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