*** CHEMICAL IDENTIFICATION *** RTECS NUMBER : XH5093600 CHEMICAL NAME : Theophylline, 8-cyclopentyl- CAS REGISTRY NUMBER : 35873-49-5 BEILSTEIN REFERENCE NO. : 1133199 LAST UPDATED : 199612 DATA ITEMS CITED : 2 MOLECULAR FORMULA : C12-H16-N4-O2 MOLECULAR WEIGHT : 248.32 WISWESSER LINE NOTATION : T56 BM DN FNVNVJ F1 H1 C- AL5TJ COMPOUND DESCRIPTOR : Drug SYNONYMS/TRADE NAMES : * 8-Cyclopentyl theophylline * 1H-Purine-2,6-dione, 8-cyclopentyl-3,7-dihydro-1,3-dimethyl- * Xanthine, 8-cyclopentyl-1,3-dimethyl- *** 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 : 200 mg/kg TOXIC EFFECTS : Details of toxic effects not reported other than lethal dose value REFERENCE : JMCMAR Journal of Medicinal Chemistry. (American Chemical Soc., Distribution Office Dept. 223, POB POB 57136, West End Stn., Washington, DC 20037) V.6- 1963- Volume(issue)/page/year: 14,1202,1971 TYPE OF TEST : LD50 - Lethal dose, 50 percent kill ROUTE OF EXPOSURE : Intravenous SPECIES OBSERVED : Rodent - mouse DOSE/DURATION : 18 mg/kg TOXIC EFFECTS : Details of toxic effects not reported other than lethal dose value REFERENCE : CSLNX* U.S. Army Armament Research & Development Command, Chemical Systems Laboratory, NIOSH Exchange Chemicals. (Aberdeen Proving Ground, MD 21010) Volume(issue)/page/year: NX#06862 *** END OF RECORD ***