*** CHEMICAL IDENTIFICATION *** RTECS NUMBER : XH6493850 CHEMICAL NAME : Theophylline, 8-(4-pyridyl)- CAS REGISTRY NUMBER : 1088-64-8 LAST UPDATED : 198212 DATA ITEMS CITED : 2 MOLECULAR FORMULA : C12-H11-N5-O2 MOLECULAR WEIGHT : 257.28 WISWESSER LINE NOTATION : T56 BM DN FNVNVJ F1 H1 C- DT6NJ COMPOUND DESCRIPTOR : Drug SYNONYMS/TRADE NAMES : * 8-gamma-Piridilteofillina * 1H-Purine-2,6-dione, 3,7-dihydro-1,3-dimethyl-8-(4-pyridinyl)- * 8-gamma-Pyridyltheophylline * 8-(4-Pyridyl)theophylline *** HEALTH HAZARD DATA *** ** ACUTE TOXICITY DATA ** TYPE OF TEST : LD50 - Lethal dose, 50 percent kill ROUTE OF EXPOSURE : Oral SPECIES OBSERVED : Rodent - mouse DOSE/DURATION : 790 mg/kg TOXIC EFFECTS : Vascular - regional or general arteriolar or venous dilation REFERENCE : BCFAAI Bollettino Chimico Farmaceutico. (Societa Editoriale Farmaceutica, Via Ausonio 12, 20123 Milan, Italy) V.33- 1894- Volume(issue)/page/year: 103,641,1964 TYPE OF TEST : LD50 - Lethal dose, 50 percent kill ROUTE OF EXPOSURE : Intravenous SPECIES OBSERVED : Rodent - mouse DOSE/DURATION : 110 mg/kg TOXIC EFFECTS : Vascular - regional or general arteriolar or venous dilation REFERENCE : BCFAAI Bollettino Chimico Farmaceutico. (Societa Editoriale Farmaceutica, Via Ausonio 12, 20123 Milan, Italy) V.33- 1894- Volume(issue)/page/year: 103,641,1964 *** END OF RECORD ***