*** CHEMICAL IDENTIFICATION *** RTECS NUMBER : NY3375000 CHEMICAL NAME : Isoxazolo(3,4-d)pyridazin-7(6H)-one, 4,6-diphenyl- CAS REGISTRY NUMBER : 25505-99-1 BEILSTEIN REFERENCE NO. : 1139896 LAST UPDATED : 199612 DATA ITEMS CITED : 1 MOLECULAR FORMULA : C17-H11-N3-O2 MOLECULAR WEIGHT : 289.31 WISWESSER LINE NOTATION : T56 BNO GNNVJ FR& HR COMPOUND DESCRIPTOR : Drug SYNONYMS/TRADE NAMES : * 4,6-Difenilisossazolo(3,4-d)piridazin-7-one * 4,6-Diphenylisoxazolo(3,4-d)pyridazin-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 - rat DOSE/DURATION : 1 gm/kg TOXIC EFFECTS : Behavioral - convulsions or effect on seizure threshold REFERENCE : FRPSAX Farmaco, Edizione Scientifica. (Casella Postale 227, 27100 Pavia, Italy) V.8-43 1953-88 For publisher information, see FRMCE8 Volume(issue)/page/year: 24,885,1969 *** END OF RECORD ***