*** CHEMICAL IDENTIFICATION *** RTECS NUMBER : MA2275950 CHEMICAL NAME : L-Glutamine, N-(2,3-dihydro-1,5-dimethyl-3-oxo-2-phenyl-1H-pyrazol -4-yl)-, methyl ester CAS REGISTRY NUMBER : 62951-78-4 LAST UPDATED : 199706 DATA ITEMS CITED : 2 MOLECULAR FORMULA : C17-H22-N4-O4 MOLECULAR WEIGHT : 346.43 COMPOUND DESCRIPTOR : Drug SYNONYMS/TRADE NAMES : * 4-Antipyrineamide methyl ester of 4-glutamyl antipyrine * WK 23 *** 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 : 272 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 ***