*** CHEMICAL IDENTIFICATION *** RTECS NUMBER : UR6113450 CHEMICAL NAME : 5H-Pyridazino(4,5-b)indole, 7,8-dimethoxy-4-(3,5-dimethyl-1H-pyrazol-1-yl)- CAS REGISTRY NUMBER : 121638-67-3 BEILSTEIN REFERENCE NO. : 5993404 LAST UPDATED : 199612 DATA ITEMS CITED : 1 MOLECULAR FORMULA : C17-H17-N5-O2 MOLECULAR WEIGHT : 323.39 COMPOUND DESCRIPTOR : Drug SYNONYMS/TRADE NAMES : * 7,8-Dimethoxy-4-(3,5-dimethyl-1H-pyrazol-1-yl)-5H-pyridazino(4,5-b)indole * 4-(3,5-Dimethylpyrazol-1-yl)-8,9-dimethoxy-11H-pyridazino(4,5-b)indole *** 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 : 980 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: 23,547,1988 *** END OF RECORD ***