*** CHEMICAL IDENTIFICATION *** RTECS NUMBER : UR6114000 CHEMICAL NAME : 4H-Pyridazino(4,5-b)indol-4-one, 3,5-dihydro-, hydrazone, trihydrochloride CAS REGISTRY NUMBER : 70107-10-7 LAST UPDATED : 198311 DATA ITEMS CITED : 1 MOLECULAR FORMULA : C10-H9-N5.3Cl-H MOLECULAR WEIGHT : 308.62 COMPOUND DESCRIPTOR : Drug SYNONYMS/TRADE NAMES : * 3,5-Dihydro-4H-pyridazino(4,5-b)indol-4-one hydrazone trihydrochloride * 4-Hydrazino-5H-pyridazino(4.5-b)indole trihydrochloride *** 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 : 225 mg/kg TOXIC EFFECTS : Vascular - BP lowering not characterized in autonomic section 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: 13,573,1978 *** END OF RECORD ***