*** CHEMICAL IDENTIFICATION *** RTECS NUMBER : UQ8423000 CHEMICAL NAME : 3,5-Pyrazolidinedione, 4-butyl-1-phenyl-2-(4-phenyl-2-thiazolyl)-, compd. with 1-(2- pyridinyl)piperazine (1:1) CAS REGISTRY NUMBER : 66181-60-0 LAST UPDATED : 199603 DATA ITEMS CITED : 1 MOLECULAR FORMULA : C22-H21-N3-O2-S.C9-H14-N3 MOLECULAR WEIGHT : 555.78 COMPOUND DESCRIPTOR : Drug SYNONYMS/TRADE NAMES : * 1-Phenyl 2-(4' phenylthiazole-2'-yl) 4-n-butyl pyrazolidinedione sel de 2-pyridinopiperazine *** 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 : 600 mg/kg TOXIC EFFECTS : Details of toxic effects not reported other than lethal dose value REFERENCE : FRXXBL French Demande Patent Document. (U.S. Patent and Trademark Office, Foreign Patents, Washington, DC 20231) Volume(issue)/page/year: #2337554 *** END OF RECORD ***