*** CHEMICAL IDENTIFICATION *** RTECS NUMBER : UY1026630 CHEMICAL NAME : 2,5-Pyrrolidinedione, 3,3-diphenyl-1-(5-propyl-1,3,4-thiadiazol-2-yl)- CAS REGISTRY NUMBER : 139477-40-0 BEILSTEIN REFERENCE NO. : 4823842 LAST UPDATED : 199612 DATA ITEMS CITED : 1 MOLECULAR FORMULA : C21-H19-N3-O2-S MOLECULAR WEIGHT : 377.49 COMPOUND DESCRIPTOR : Drug SYNONYMS/TRADE NAMES : * 3,3-Diphenyl-1-(5-propyl-1,3,4-thiadiazol-2-yl)-2,5-pyrrolidinedione *** 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 : 1 gm/kg TOXIC EFFECTS : Behavioral - altered sleep time (including change in righting reflex) Behavioral - ataxia Lungs, Thorax, or Respiration - respiratory depression REFERENCE : PHARAT Pharmazie. (VEB Verlag Volk und Gesundheit, Neue Gruenstr. 18, Berlin DDR-1020, Ger. Dem. Rep.) V.1- 1946- Volume(issue)/page/year: 46,705,1991 *** END OF RECORD ***