*** CHEMICAL IDENTIFICATION *** RTECS NUMBER : UQ4891100 CHEMICAL NAME : 2H-Pyrazino(2,3-b)-1,4-thiazin-3(4H)-one, 2-methyl- CAS REGISTRY NUMBER : 34057-33-5 LAST UPDATED : 198502 DATA ITEMS CITED : 1 MOLECULAR FORMULA : C7-H7-N3-O-S MOLECULAR WEIGHT : 181.23 COMPOUND DESCRIPTOR : Drug SYNONYMS/TRADE NAMES : * 2-Methyl-2H-pyrazino(2,3-b)-1,4-thiazin-3(4H)-one *** 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 : 200 mg/kg TOXIC EFFECTS : Behavioral - convulsions or effect on seizure threshold REFERENCE : OYYAA2 Oyo Yakuri. Pharmacometrics. (Oyo Yakuri Kenkyukai, CPO Box 180, Sendai 980-91, Japan) V.1- 1967- Volume(issue)/page/year: 9,1,1975 *** END OF RECORD ***