*** CHEMICAL IDENTIFICATION *** RTECS NUMBER : ET5030000 CHEMICAL NAME : Butyric acid, 2-(4-isobutylphenyl)- CAS REGISTRY NUMBER : 55837-18-8 BEILSTEIN REFERENCE NO. : 2261197 LAST UPDATED : 199612 DATA ITEMS CITED : 2 MOLECULAR FORMULA : C14-H20-O2 MOLECULAR WEIGHT : 220.34 WISWESSER LINE NOTATION : QVY2&R D1Y1&1 COMPOUND DESCRIPTOR : Drug SYNONYMS/TRADE NAMES : * Butibufen * Butilopan * FF 106 * alpha-Ethyl-4-(2-methylpropyl)benzeneacetic acid * 2-(4-Isobutylphenyl)butyric acid *** HEALTH HAZARD DATA *** ** ACUTE TOXICITY DATA ** TYPE OF TEST : LD50 - Lethal dose, 50 percent kill ROUTE OF EXPOSURE : Oral SPECIES OBSERVED : Rodent - rat DOSE/DURATION : 1600 mg/kg TOXIC EFFECTS : Details of toxic effects not reported other than lethal dose value REFERENCE : AIPTAK Archives Internationales de Pharmacodynamie et de Therapie. (Heymans Institute of Pharmacology, De Pintelaan 185, B-9000 Ghent, Belgium) V.4- 1898- Volume(issue)/page/year: 227,130,1977 TYPE OF TEST : LD50 - Lethal dose, 50 percent kill ROUTE OF EXPOSURE : Oral SPECIES OBSERVED : Rodent - mouse DOSE/DURATION : 810 mg/kg TOXIC EFFECTS : Details of toxic effects not reported other than lethal dose value REFERENCE : EJMCA5 European Journal of Medicinal Chemistry--Chimie Therapeutique. (Editions Scientifiques Elsevier, 29 rue Buffon, F-75005, Paris, France) V.9- 1974- Volume(issue)/page/year: 13,77,1978 *** END OF RECORD ***