*** CHEMICAL IDENTIFICATION *** RTECS NUMBER : NY3406250 CHEMICAL NAME : Isoxazolo(4,3-d)pyrimidin-7(6H)-one, 3-benzoyl- CAS REGISTRY NUMBER : 159850-71-2 LAST UPDATED : 199512 DATA ITEMS CITED : 1 MOLECULAR FORMULA : C12-H7-N3-O3 MOLECULAR WEIGHT : 241.22 COMPOUND DESCRIPTOR : Drug SYNONYMS/TRADE NAMES : * 3-Benzoyl-6,7-dihydroisoxazolo(4,3-d)pyrimidine-7-one * 3-Benzoylisoxazolo(4,3-d)pyrimidin-7(6H)-one *** HEALTH HAZARD DATA *** ** ACUTE TOXICITY DATA ** TYPE OF TEST : LD50 - Lethal dose, 50 percent kill ROUTE OF EXPOSURE : Oral SPECIES OBSERVED : Rodent - mouse DOSE/DURATION : 2 gm/kg TOXIC EFFECTS : Details of toxic effects not reported other than lethal dose value REFERENCE : FRMCE8 Farmaco. (Societa Chimica Italiana, Corso Strada Nova, 86, Casella Postale 227, 27100 Pavia, Italy) V.44- 1989- Volume(issue)/page/year: 49,529,1994 *** END OF RECORD ***