*** CHEMICAL IDENTIFICATION *** RTECS NUMBER : UR5858500 CHEMICAL NAME : 3-Pyridazinecarboxylic acid, 1,6-dihydro-5-methyl-6-oxo-, hydrazide CAS REGISTRY NUMBER : 92604-89-2 LAST UPDATED : 199606 DATA ITEMS CITED : 1 MOLECULAR FORMULA : C6-H8-N4-O2 MOLECULAR WEIGHT : 168.18 COMPOUND DESCRIPTOR : Drug SYNONYMS/TRADE NAMES : * 1,6-Dihydro-5-methyl-6-oxo-3-pyridazinecarboxylic acid hydrazide * 4-Methyl-6-carbazoyl-pyridazinone-3 *** HEALTH HAZARD DATA *** ** ACUTE TOXICITY DATA ** TYPE OF TEST : LD50 - Lethal dose, 50 percent kill ROUTE OF EXPOSURE : Unreported SPECIES OBSERVED : Rodent - mouse DOSE/DURATION : 250 mg/kg TOXIC EFFECTS : Details of toxic effects not reported other than lethal dose value REFERENCE : 60LFAC "Recent Advances of Chemistry and Molecular Biology in Cancer Research, Insternational Symposium on Recent Advances of Chemistry and Molecular Biology in Cancer Research, Held in Beijing/China, July 23rd-26th, 1991" Dai Qianhuan, Margaret-Ann Armour and Zheng Qingying eds. Science Press (Beijing) 1993 Volume(issue)/page/year: -,335,1993 *** END OF RECORD ***