*** CHEMICAL IDENTIFICATION *** RTECS NUMBER : UR5800000 CHEMICAL NAME : 1(6H)-Pyridazineacetic acid, alpha-ethyl-3-methyl-6-oxo-, hydrazide CAS REGISTRY NUMBER : 63918-41-2 BEILSTEIN REFERENCE NO. : 0202764 REFERENCE : 4-24-00-00183 (Beilstein Handbook Reference) LAST UPDATED : 199612 DATA ITEMS CITED : 1 MOLECULAR FORMULA : C9-H14-N4-O2 MOLECULAR WEIGHT : 210.27 WISWESSER LINE NOTATION : T6NNVJ BY2&VMZ F1 SYNONYMS/TRADE NAMES : * alpha-Ethyl-3-methyl-6-oxo-1(6H)-pyridazine acetic acid hydrazide *** 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 : 625 mg/kg TOXIC EFFECTS : Details of toxic effects not reported other than lethal dose value REFERENCE : NTIS** National Technical Information Service. (Springfield, VA 22161) Formerly U.S. Clearinghouse for Scientific & Technical Information. Volume(issue)/page/year: AD691-490 *** END OF RECORD ***