*** CHEMICAL IDENTIFICATION *** RTECS NUMBER : UR6113800 CHEMICAL NAME : 4H-Pyridazino(4,5-b)indol-4-one, 3,5-dihydro-1-chloro-, hydrazone CAS REGISTRY NUMBER : 80985-58-6 BEILSTEIN REFERENCE NO. : 4481606 LAST UPDATED : 199612 DATA ITEMS CITED : 1 MOLECULAR FORMULA : C10-H8-Cl-N5 MOLECULAR WEIGHT : 233.68 COMPOUND DESCRIPTOR : Drug SYNONYMS/TRADE NAMES : * 3,5-Dihydro-1-chloro-4H-pyridazino(4,5-b)indol-4-one hydrazone *** 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 : 224 mg/kg TOXIC EFFECTS : Details of toxic effects not reported other than lethal dose value REFERENCE : JPMSAE Journal of Pharmaceutical Sciences. (American Pharmaceutical Assoc., 2215 Constitution Ave., NW, Washington, DC 20037) V.50- 1961- Volume(issue)/page/year: 71,1406,1982 *** END OF RECORD ***