*** CHEMICAL IDENTIFICATION *** RTECS NUMBER : TL3555000 CHEMICAL NAME : 1,4-Piperazinedicarboxylic acid, 2-methyl-, diethyl ester CAS REGISTRY NUMBER : 63981-45-3 BEILSTEIN REFERENCE NO. : 0231581 REFERENCE : 4-23-00-00400 (Beilstein Handbook Reference) LAST UPDATED : 199612 DATA ITEMS CITED : 1 MOLECULAR FORMULA : C11-H20-N2-O4 MOLECULAR WEIGHT : 244.33 WISWESSER LINE NOTATION : T6N DNTJ AVO2 B1 DVO2 COMPOUND DESCRIPTOR : Drug SYNONYMS/TRADE NAMES : * 1,4-Dicarbethoxy-2-methylpiperazine *** HEALTH HAZARD DATA *** ** ACUTE TOXICITY DATA ** TYPE OF TEST : LD50 - Lethal dose, 50 percent kill ROUTE OF EXPOSURE : Intraperitoneal SPECIES OBSERVED : Rodent - rat DOSE/DURATION : 375 mg/kg TOXIC EFFECTS : Details of toxic effects not reported other than lethal dose value REFERENCE : CLDND* Compilation of LD50 Values of New Drugs. (J.R. MacDougal, Dept. of National Health and Welfare, Food and Drug Divisions, 35 John St., Ottawa, Ont., Canada) *** END OF RECORD ***