*** CHEMICAL IDENTIFICATION *** RTECS NUMBER : YR6600300 CHEMICAL NAME : Urea, N'-(3-acetyl-4-(3-((1,1-dimethylethyl)amino)-2-hydrox ypropoxy)phenyl)-N-et hyl- CAS REGISTRY NUMBER : 57470-96-9 BEILSTEIN REFERENCE NO. : 2772961 LAST UPDATED : 199612 DATA ITEMS CITED : 1 MOLECULAR FORMULA : C18-H29-N3-O4 MOLECULAR WEIGHT : 351.50 SYNONYMS/TRADE NAMES : * 3-(3-Acetyl-4-(3-tert-butylamino)-2-hydroxypropoxyphenyl)-1-ethylurea * N'-(3-Acetyl-4-(3-((1,1-dimethylethyl)amino)-2-hydroxypropoxy)phenyl)-N- ethylurea * NBP-802 *** 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 : 1556 mg/kg TOXIC EFFECTS : Behavioral - altered sleep time (including change in righting reflex) Lungs, Thorax, or Respiration - respiratory depression Nutritional and Gross Metabolic - body temperature decrease REFERENCE : OYYAA2 Oyo Yakuri. Pharmacometrics. (Oyo Yakuri Kenkyukai, CPO Box 180, Sendai 980-91, Japan) V.1- 1967- Volume(issue)/page/year: 38,295,1989 *** END OF RECORD ***