*** CHEMICAL IDENTIFICATION *** RTECS NUMBER : UR6508000 CHEMICAL NAME : 3(2H)-Pyridazinone, 4-hydrazino-2-methyl-5-methylsulfonyl- CAS REGISTRY NUMBER : 63901-43-9 BEILSTEIN REFERENCE NO. : 0886226 LAST UPDATED : 199612 DATA ITEMS CITED : 1 MOLECULAR FORMULA : C6-H10-N4-O3-S MOLECULAR WEIGHT : 218.26 WISWESSER LINE NOTATION : T6NNVJ B1 DMZ ESW1 SYNONYMS/TRADE NAMES : * 4-Hydrazino-2-methyl-5-methylsulfonyl-3(2H)-pyridazinone *** HEALTH HAZARD DATA *** ** ACUTE TOXICITY DATA ** TYPE OF TEST : LDLo - Lowest published lethal dose ROUTE OF EXPOSURE : Intraperitoneal SPECIES OBSERVED : Rodent - mouse DOSE/DURATION : 500 mg/kg TOXIC EFFECTS : Details of toxic effects not reported other than lethal dose value REFERENCE : YKKZAJ Yakugaku Zasshi. Journal of Pharmacy. (Nippon Yakugakkai, 2-12-15 Shibuya, Shibuya-ku, Tokyo 150, Japan) No.1- 1881- Volume(issue)/page/year: 98,1530,1978 *** END OF RECORD ***