MERCK ISOTOPES
we deliver Stable Isotopes. Deuterium. Carbon-13. Nitrogen-15.
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U.S.A. Merck & Co., Inc./Isotopes, 4545 Oleatha Ave., St. Louis, Mo. 63166. Tel: 314-353-7000 TWX: 910-761-0437 CANADA Merck Sharp & Dohme Canada Limited/Isotopes P.O. Box 899, Pointe Claire/Dorval, Quebec, Canada H9R-4P7 Tel: 514-697-2823 TELEX: 05-821-533 TWX: 610-421-3617
We list over 500 compounds labelled with stable isotopes, and can custom synthesize hundreds more. WE DELIVER. Please request information.
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ISOTOPES
CIRCLE 161 ON READER SERVICE CARD A N A L Y T I C A L CHEMISTRY, VOL. 47, NO. 4, APRIL 1975 · 459 A
