*** CHEMICAL IDENTIFICATION *** RTECS NUMBER : RP3678000 CHEMICAL NAME : 2-Oxaspiro(4,4)nonan-3-one CAS REGISTRY NUMBER : 5724-62-9 BEILSTEIN REFERENCE NO. : 0112660 REFERENCE : 5-17-09-00183 (Beilstein Handbook Reference) LAST UPDATED : 199612 DATA ITEMS CITED : 1 MOLECULAR FORMULA : C8-H12-O2 MOLECULAR WEIGHT : 140.20 WISWESSER LINE NOTATION : T5OV DXTJ D-& AL5XTJ COMPOUND DESCRIPTOR : Drug SYNONYMS/TRADE NAMES : * beta,beta-Tetramethylen-gamma-butyrolacton *** HEALTH HAZARD DATA *** ** ACUTE TOXICITY DATA ** TYPE OF TEST : LD50 - Lethal dose, 50 percent kill ROUTE OF EXPOSURE : Intravenous SPECIES OBSERVED : Rodent - rat DOSE/DURATION : 5 mg/kg TOXIC EFFECTS : Behavioral - convulsions or effect on seizure threshold REFERENCE : ARZNAD Arzneimittel-Forschung. Drug Research. (Editio Cantor Verlag, Postfach 1255, W-7960 Aulendorf, Fed. Rep. Ger.) V.1- 1951- Volume(issue)/page/year: 10,243,1960 *** END OF RECORD ***