*** CHEMICAL IDENTIFICATION *** RTECS NUMBER : DJ2501500 CHEMICAL NAME : 2H-1-Benzopyran-3-carboxylic acid, 2-oxo-, isobutyl ester LAST UPDATED : 198509 DATA ITEMS CITED : 1 MOLECULAR FORMULA : C14-H14-O4 MOLECULAR WEIGHT : 246.28 COMPOUND DESCRIPTOR : Drug SYNONYMS/TRADE NAMES : * Isobutyl coumarin-3-carboxylate * 2-Oxo-2H-1-benzopyran-3-carboxylate isobutyl ester *** HEALTH HAZARD DATA *** ** ACUTE TOXICITY DATA ** TYPE OF TEST : LD50 - Lethal dose, 50 percent kill ROUTE OF EXPOSURE : Subcutaneous SPECIES OBSERVED : Rodent - mouse DOSE/DURATION : 252 mg/kg TOXIC EFFECTS : Details of toxic effects not reported other than lethal dose value REFERENCE : YKKZAJ Yakugaku Zasshi. Journal of Pharmacy. (Nippon Yakugakkai, 2-12-15 Shibuya, Shibuya-ku, Tokyo 150, Japan) No.1- 1881- Volume(issue)/page/year: 75,1486,1955 *** END OF RECORD ***