*** CHEMICAL IDENTIFICATION *** RTECS NUMBER : XH5030000 CHEMICAL NAME : Theophylline, 8-butyl-, hydrochloride CAS REGISTRY NUMBER : 74039-65-9 LAST UPDATED : 199106 DATA ITEMS CITED : 1 MOLECULAR FORMULA : C11-H16-N4-O2.Cl-H MOLECULAR WEIGHT : 272.77 WISWESSER LINE NOTATION : T56 BM DN FNVNVJ C4 F1 H1 &GH COMPOUND DESCRIPTOR : Drug SYNONYMS/TRADE NAMES : * 8-Butyltheophylline hydrochloride *** 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 : 42 mg/kg TOXIC EFFECTS : Details of toxic effects not reported other than lethal dose value REFERENCE : YKKZAJ Yakugaku Zasshi. Journal of Pharmacy. (Nippon Yakugakkai, 2-12-15 Shibuya, Shibuya-ku, Tokyo 150, Japan) No.1- 1881- Volume(issue)/page/year: 89,446,1969 *** END OF RECORD ***