*** CHEMICAL IDENTIFICATION *** RTECS NUMBER : UR0418000 CHEMICAL NAME : 3H-Pyrazol-3-one, 2,4-dihydro-2-((2-chloro-6H-indolo(2,3-b)quinoxalin-6 -yl)acetyl)-5- methyl-4-(1-phenylethylidene)- CAS REGISTRY NUMBER : 119457-18-0 LAST UPDATED : 199209 DATA ITEMS CITED : 1 MOLECULAR FORMULA : C28-H20-Cl-N5-O2 MOLECULAR WEIGHT : 493.98 COMPOUND DESCRIPTOR : Drug *** 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 : 681 mg/kg TOXIC EFFECTS : Details of toxic effects not reported other than lethal dose value REFERENCE : INDRBA Indian Drugs. (Indian Drugs Manufacturers' Assoc., 102B, Poonam Chambers, Dr. A. B. Rd., Worli, Bombay 400 018, India) V.1- 1963- Volume(issue)/page/year: 26,77,1988 *** END OF RECORD ***