*** CHEMICAL IDENTIFICATION *** RTECS NUMBER : TL1489000 CHEMICAL NAME : 1-Piperazinecarboxylic acid, 4-((6,7,8,9-tetrahydro-5H-benzocyclohepten-2-yl)methy l)-, ethyl ester, (Z)-2-butenedioate (1:1) CAS REGISTRY NUMBER : 55037-67-7 LAST UPDATED : 198703 DATA ITEMS CITED : 1 MOLECULAR FORMULA : C19-H28-N2-O2.C4-H4-O4 MOLECULAR WEIGHT : 432.57 COMPOUND DESCRIPTOR : Drug *** HEALTH HAZARD DATA *** ** ACUTE TOXICITY DATA ** TYPE OF TEST : LD50 - Lethal dose, 50 percent kill ROUTE OF EXPOSURE : Intravenous SPECIES OBSERVED : Rodent - mouse DOSE/DURATION : 50 mg/kg TOXIC EFFECTS : Behavioral - somnolence (general depressed activity) REFERENCE : CCCCAK Collection of Czechoslovak Chemical Communications. (Academic Press Inc. Ltd., 24-28 Oval Rd., London NW1 7DX, UK) V.1- 1929- Volume(issue)/page/year: 39,2276,1974 *** END OF RECORD ***