*** CHEMICAL IDENTIFICATION *** RTECS NUMBER : UQ9810000 CHEMICAL NAME : 3-Pyrazolin-5-one, 1-phenyl-2,3,4-trimethyl- CAS REGISTRY NUMBER : 5677-84-9 BEILSTEIN REFERENCE NO. : 0171007 REFERENCE : 5-24-01-00373 (Beilstein Handbook Reference) LAST UPDATED : 199612 DATA ITEMS CITED : 1 MOLECULAR FORMULA : C12-H14-N2-O MOLECULAR WEIGHT : 202.28 WISWESSER LINE NOTATION : T5NNV DUTJ A1 BR& D1 E1 COMPOUND DESCRIPTOR : Drug SYNONYMS/TRADE NAMES : * 4-Methylantipyrine * 1-Phenyl-2,3,4-trimethyl-3-pyrazolin-5-one * 3H-Pyrazol-3-one, 2,4-dihydro-1,4,5-trimethyl-2-phenyl- *** HEALTH HAZARD DATA *** ** ACUTE TOXICITY DATA ** TYPE OF TEST : LDLo - Lowest published lethal dose ROUTE OF EXPOSURE : Oral SPECIES OBSERVED : Rodent - mouse DOSE/DURATION : 1 gm/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 ***