*** CHEMICAL IDENTIFICATION *** RTECS NUMBER : XH5055000 CHEMICAL NAME : Theophylline, 8-butylthio- CAS REGISTRY NUMBER : 74039-66-0 LAST UPDATED : 197901 DATA ITEMS CITED : 1 MOLECULAR FORMULA : C11-H16-N4-O2-S MOLECULAR WEIGHT : 268.37 WISWESSER LINE NOTATION : T56 BM DN FNVNVJ CS4 F1 H1 SYNONYMS/TRADE NAMES : * 8-n-Butylthiotheophylline *** 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 : 180 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#04405 *** END OF RECORD ***