*** CHEMICAL IDENTIFICATION *** RTECS NUMBER : YU2600000 CHEMICAL NAME : Urea, (tetrahydro-5-oxo-2-phenyl-2-furoyl)- CAS REGISTRY NUMBER : 13421-48-2 LAST UPDATED : 198608 DATA ITEMS CITED : 1 MOLECULAR FORMULA : C12-H12-N2-O4 MOLECULAR WEIGHT : 248.26 WISWESSER LINE NOTATION : T5OVTJ ER& EVMVZ COMPOUND DESCRIPTOR : Drug SYNONYMS/TRADE NAMES : * (5-Oxo-2-phenyltetrahydro-2-furoyl)urea *** 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 : Peripheral Nerve and Sensation - flaccid paralysis without anesthesia (usually neuromuscular blockage) Behavioral - somnolence (general depressed activity) Lungs, Thorax, or Respiration - respiratory depression REFERENCE : AITEAT Archivum Immunologiae et Therapiae Experimentalis. (Ars Polona, POB 1001, 00-068 Warsaw 1, Poland) V.10- 1962- Volume(issue)/page/year: 15,271,1967 *** END OF RECORD ***