Make t h e switch··· try J a n s s e n Chimica. Listed within Janssen's 1,392-page, 12,000-product catalog are: organic compounds inorganic compounds deuterated compounds atomic-absorption standards biochemicals amino acids stains and dyes crown ethers organometallic reagents • catalysts ion-exchange resins Wittig reagents optically-active compounds spectrophotometric solvents and much more...
Complete inventory in stock, available for immediate shipment from New Jersey! To request your free copy of Janssen Chimica's Catalog / Handbook of Fine Chemicals for Research and Industry, call 1-800 772-8786. Available in North and Latin America solely through:
JANSSEN CHIMICA
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Division of Janssen Pharmaceutica, N.V.
Central Offices Belgium Janssen Pharmaceuticalaan 3 2440 Geel, Belgium
Spectrum Chemical Mfg. Corp. 14422 S. San Pedro St., Gardena, CA 90248 755 Jersey Av., New Brunswick, NJ 08901 ^ 1-800 772-8786 · ^1-800 543-0652 ^310 516-8000 · Telefax: 310 516-7512
A Cross-Reference to Aldrich Products is now available! CIRCLE 18 ON READER SERVICE CARD