*** CHEMICAL IDENTIFICATION *** RTECS NUMBER : XA5253000 CHEMICAL NAME : 1,4,7,10-Tetraazacyclododecane CAS REGISTRY NUMBER : 294-90-6 BEILSTEIN REFERENCE NO. : 0606114 REFERENCE : 5-26-11-00023 (Beilstein Handbook Reference) LAST UPDATED : 199612 DATA ITEMS CITED : 2 MOLECULAR FORMULA : C8-H20-N4 MOLECULAR WEIGHT : 172.32 COMPOUND DESCRIPTOR : Drug SYNONYMS/TRADE NAMES : * Cyclen *** 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 : 388 mg/kg TOXIC EFFECTS : Details of toxic effects not reported other than lethal dose value REFERENCE : NATWAY Naturwissenschaften. (Springer-Verlag, Heidelberger Platz 3, D-1000 Berlin 33, Fed. Rep. Ger.) V.1- 1913- Volume(issue)/page/year: 70,201,1983 TYPE OF TEST : LD50 - Lethal dose, 50 percent kill ROUTE OF EXPOSURE : Intravenous SPECIES OBSERVED : Rodent - mouse DOSE/DURATION : 435 mg/kg TOXIC EFFECTS : Details of toxic effects not reported other than lethal dose value REFERENCE : EJMCA5 European Journal of Medicinal Chemistry--Chimie Therapeutique. (Editions Scientifiques Elsevier, 29 rue Buffon, F-75005, Paris, France) V.9- 1974- Volume(issue)/page/year: 19,425,1984 *** END OF RECORD ***