*** CHEMICAL IDENTIFICATION *** RTECS NUMBER : EJ3500615 CHEMICAL NAME : Butanamide, 2-amino-N-(2,3-dihydro-1,5-dimethyl-3-oxo-2-phenyl-1H -pyrazol-4-yl)- 4-(methylthio)-, (+-)- CAS REGISTRY NUMBER : 62951-83-1 LAST UPDATED : 199706 DATA ITEMS CITED : 2 MOLECULAR FORMULA : C16-H22-N4-O2-S MOLECULAR WEIGHT : 334.48 COMPOUND DESCRIPTOR : Drug SYNONYMS/TRADE NAMES : * DL-Methionine-4-antipyrineamide * WK 28 *** 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 : >3 gm/kg TOXIC EFFECTS : Details of toxic effects not reported other than lethal dose value REFERENCE : PMHBAH Polish Medical Sciences and History Bulletin. (Chicago, IL) V.1-15, 1956-76. Discontinued. Volume(issue)/page/year: 17(4),323,1974 TYPE OF TEST : LD50 - Lethal dose, 50 percent kill ROUTE OF EXPOSURE : Intravenous SPECIES OBSERVED : Rodent - mouse DOSE/DURATION : 126 mg/kg TOXIC EFFECTS : Details of toxic effects not reported other than lethal dose value REFERENCE : PMHBAH Polish Medical Sciences and History Bulletin. (Chicago, IL) V.1-15, 1956-76. Discontinued. Volume(issue)/page/year: 17(4),323,1974 *** END OF RECORD ***