*** CHEMICAL IDENTIFICATION *** RTECS NUMBER : XH5200000 CHEMICAL NAME : Theophylline, 8-ethyl- CAS REGISTRY NUMBER : 5770-28-5 LAST UPDATED : 199712 DATA ITEMS CITED : 1 MOLECULAR FORMULA : C9-H12-N4-O2 MOLECULAR WEIGHT : 208.25 WISWESSER LINE NOTATION : T56 BM DN FNVNVJ C2 F1 H1 COMPOUND DESCRIPTOR : Drug SYNONYMS/TRADE NAMES : * 8-Ethyltheophylline * 1H-Purine-2,6-dione, 8-ethyl-3,7-dihydro-, 1,3-dimethyl- * Xanthine, 1,3-dimethyl-8-ethyl- *** 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 : 175 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 *** END OF RECORD ***