*** CHEMICAL IDENTIFICATION *** RTECS NUMBER : DJ2491000 CHEMICAL NAME : 4H-1-Benzopyran-2-carboxylic acid, 4-oxo-, butyl ester CAS REGISTRY NUMBER : 51081-67-5 BEILSTEIN REFERENCE NO. : 0196518 REFERENCE : 5-18-08-00313 (Beilstein Handbook Reference) LAST UPDATED : 199612 DATA ITEMS CITED : 1 MOLECULAR FORMULA : C14-H14-O4 MOLECULAR WEIGHT : 246.28 WISWESSER LINE NOTATION : T66 BO EVJ CVO4 COMPOUND DESCRIPTOR : Drug SYNONYMS/TRADE NAMES : * Chromone-2-carboxylic acid butyl ester * 4-Oxo-4H-1-benzopyran-2-carboxylic acid butyl ester *** HEALTH HAZARD DATA *** ** ACUTE TOXICITY DATA ** TYPE OF TEST : LD50 - Lethal dose, 50 percent kill ROUTE OF EXPOSURE : Intraperitoneal SPECIES OBSERVED : Rodent - mouse DOSE/DURATION : 2375 mg/kg TOXIC EFFECTS : Details of toxic effects not reported other than lethal dose value REFERENCE : PHTXA6 Pharmacology and Toxicology. English translation of FATOAO. (New York, NY) V.20-22, 1957-59. Discontinued. Volume(issue)/page/year: 21,555,1958 *** END OF RECORD ***