*** CHEMICAL IDENTIFICATION *** RTECS NUMBER : UY5770200 CHEMICAL NAME : 2-Pyrrolidinone, 3-ethyl-3-phenyl- CAS REGISTRY NUMBER : 77236-50-1 BEILSTEIN REFERENCE NO. : 0144399 REFERENCE : 4-21-00-03692 (Beilstein Handbook Reference) LAST UPDATED : 199612 DATA ITEMS CITED : 1 MOLECULAR FORMULA : C12-H15-N-O MOLECULAR WEIGHT : 189.28 WISWESSER LINE NOTATION : T5MVTJ C2 CR COMPOUND DESCRIPTOR : Drug SYNONYMS/TRADE NAMES : * 3-Ethyl-3-phenyl-2-pyrrolidinone * 3-Ethyl-3-phenyl-pyrrolidone-2 * L-20824 *** HEALTH HAZARD DATA *** ** ACUTE TOXICITY DATA ** TYPE OF TEST : LD50 - Lethal dose, 50 percent kill ROUTE OF EXPOSURE : Oral SPECIES OBSERVED : Rodent - rat DOSE/DURATION : 990 mg/kg TOXIC EFFECTS : Behavioral - anticonvulsant Behavioral - somnolence (general depressed activity) REFERENCE : AIPTAK Archives Internationales de Pharmacodynamie et de Therapie. (Heymans Institute of Pharmacology, De Pintelaan 185, B-9000 Ghent, Belgium) V.4- 1898- Volume(issue)/page/year: 121,443,1959 *** END OF RECORD ***