*** CHEMICAL IDENTIFICATION *** RTECS NUMBER : UW5966050 CHEMICAL NAME : 2,4,6(1H,3H,5H)-Pyrimidinetrione, 5-ethyl-5-(4-(4-fluorophenyl)-4-oxobutyl)-, monosodium salt CAS REGISTRY NUMBER : 97068-32-1 LAST UPDATED : 198706 DATA ITEMS CITED : 1 MOLECULAR FORMULA : C16-H17-F-N2-O4.Na MOLECULAR WEIGHT : 343.34 WISWESSER LINE NOTATION : T6NVNV FVTJ E2 E3VR DF &-NA- COMPOUND DESCRIPTOR : Drug SYNONYMS/TRADE NAMES : * 5-Ethyl-5-(4-(4-fluorophenyl)-4-oxobutyl)-2,4,6(1H,3H,5H)-pyrimidinetrio ne monosodium salt * F-B 1 * F-B 1 (Pharmaceutical) *** 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 : 1539 mg/kg TOXIC EFFECTS : Behavioral - altered sleep time (including change in righting reflex) Behavioral - somnolence (general depressed activity) Lungs, Thorax, or Respiration - respiratory depression REFERENCE : ZMZADD Zhonghua Mazuixue Zazhi. Chinese Journal of Anesthesiology. (China International Book Trading Corp., POB 2820, Beijing, Peop. Rep. China) V.1- 1981- Volume(issue)/page/year: 5(2),65,1985 *** END OF RECORD ***