*** CHEMICAL IDENTIFICATION *** RTECS NUMBER : CQ3047500 CHEMICAL NAME : Barbituric acid, 5-(2-cyclopentylideneethyl)-5-ethyl- CAS REGISTRY NUMBER : 66940-72-5 BEILSTEIN REFERENCE NO. : 0237968 REFERENCE : 4-24-00-02058 (Beilstein Handbook Reference) LAST UPDATED : 199612 DATA ITEMS CITED : 1 MOLECULAR FORMULA : C13-H18-N2-O3 MOLECULAR WEIGHT : 250.33 WISWESSER LINE NOTATION : T6VMVMV FHJ F2 F2U- AL5YTJ COMPOUND DESCRIPTOR : Drug SYNONYMS/TRADE NAMES : * 5-(2-Cyclopentylideneethyl)-5-ethylbarbituric acid *** 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 : 17500 mg/kg TOXIC EFFECTS : Brain and Coverings - recordings from specific areas of CNS Behavioral - excitement REFERENCE : APFRAD Annales Pharmaceutiques Francaises. (SPPIF, B.P.22, F-41353 Vineuil, France) V.1- 1943- Volume(issue)/page/year: 9,283,1951 *** END OF RECORD ***