*** CHEMICAL IDENTIFICATION *** RTECS NUMBER : UQ9213400 CHEMICAL NAME : 2-Pyrazolin-5-one, 4-(((2,3-dimethyl-5-oxo-1-phenyl-3-pyrazolin-4-yl)ami no)methylene)-3- methyl-1-phenyl- CAS REGISTRY NUMBER : 24664-54-8 BEILSTEIN REFERENCE NO. : 0902652 LAST UPDATED : 199612 DATA ITEMS CITED : 1 MOLECULAR FORMULA : C22-H21-N5-O2 MOLECULAR WEIGHT : 387.48 COMPOUND DESCRIPTOR : Drug *** 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 : >3 gm/kg TOXIC EFFECTS : Details of toxic effects not reported other than lethal dose value REFERENCE : ARZNAD Arzneimittel-Forschung. Drug Research. (Editio Cantor Verlag, Postfach 1255, W-7960 Aulendorf, Fed. Rep. Ger.) V.1- 1951- Volume(issue)/page/year: 19,1721,1969 *** END OF RECORD ***