Try the organic chemicals European researchers have trusted for over

Try the organic chemicals European researchers have trusted for over 30 years.

Try Janssen Chimica. Janssen Chimica is the fine chemical division of Janssen Pharmaceutica, one of the largest pharmaceutical companies with over 8,000 employees throughout the world. Janssen Pharmaceutica has over 70 patented products which have important applications in medicine and agriculture. This expertise and experience in organic chemistry and the biological sciences molded Janssen Chimica as a logical extension of Janssen Pharmaceutica. Trust the expertise and experience of the Janssen family — we know the importance of consistency and reliability. Here are a few of the many reasons to try Janssen Chimica products: Quality ...as the division of a pharmaceutical company, we know the importance of quality. Vast Product Line ...over 12,000 products are listed in Janssen's catalog.

• Availability ...the products listed in Janssen's catalog are IN STOCK and ready for shipment from New Jersey. Competitive Pricing ...and we hold our catalog prices firm. Compare!

For your free copy of Janssen Chimica's 1,392-page, 12,000-product catalog, write to Spectrum in Gardena, California, or call 1-800 772-8786. CIRCLE 6 ON READER SERVICE CARD

Available in North America solely through:

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Division of Janssen Pharmaceutica

Central Offices Belgium Janssen Pharmaceuticalaan 3 2440 Geel, Belgium ^014/60.42.00 · Telefax: 014/60.42.20

Spectrum Chemical Mfg. Corp. 14422 South San Pedro Street, Gardena, California 90248 755 Jersey Avenue, New Brunswick, New Jersey 08901

σ 1-800 772-8786 • « 310 516-8000 Telefax: 310 516-9843