*** CHEMICAL IDENTIFICATION *** RTECS NUMBER : CD2750000 CHEMICAL NAME : Antipyrine, 4-isobutyl- LAST UPDATED : 198608 DATA ITEMS CITED : 1 MOLECULAR FORMULA : C15-H20-N2-O MOLECULAR WEIGHT : 244.37 WISWESSER LINE NOTATION : T5NNV DUTJ A1 BR& D1Y1&1 E1 COMPOUND DESCRIPTOR : Drug SYNONYMS/TRADE NAMES : * 4-Isobutylantipyrine * 1-Phenyl-2,3-dimethyl-4-isobutyl-5-pyrazolon *** HEALTH HAZARD DATA *** ** ACUTE TOXICITY DATA ** TYPE OF TEST : LDLo - Lowest published lethal dose ROUTE OF EXPOSURE : Oral SPECIES OBSERVED : Rodent - mouse DOSE/DURATION : 1200 mg/kg TOXIC EFFECTS : Details of toxic effects not reported other than lethal dose value REFERENCE : NIYZAM Nippon Yakubutsugaku Zasshi. Japanese Journal of Pharmacology. (Kyoto, Japan) V.1-39, 1926-43. For publisher information, see NYKZAU. Volume(issue)/page/year: 23,211,1937 *** END OF RECORD ***