| 中文名利福霉素-O 中文同义二恶酮利福霉素;利福霉素-O;利福霉素O;利福霉素0;利福昔明EP杂质F;利福昔明杂质F (EP/BP) 英文名Rifamycin O 英文同义ctone;Rifaximin impurity F (EP);Rifaximin Impurity 6 (Rifaximin EP Impurity F);spiro(1,3-dioxolane-2,9’(6’h)-(2,7)(epoxypentadeca(1,11,13)trienimino)naphtho(;4-O-Carboxymethyl-1-deoxy-1,4-dihydro-4-hydroxy-1-oxorifamycin γ-lactone;Rifomycin O;NSC 182391;4-O-(CARBOXYMETHYL)-1-DEOXY-1,4-diHYDRO-4-HYDROXY-1-OXO-G-LACTONE CAS14487-05-9 分子式C39H47NO14 分子量753.79 EINECS238-493-1 结构式  性质熔点171°C (dec.) 比旋光度D20 +71.5° (c = 1 in dioxane) 沸点730.16°C (rough estimate) 密度1.2421 (rough estimate) 折射率1.5350 (estimate) 储存条件-20?C Freezer, Under Inert Atmosphere 酸度系数(pKa)4.61±0.70(Predicted) | |||