| 中文名琥乙红霉素 中文同义琥乙红霉素,红霉素琥珀酸乙酯;琥乙红霉素/红霉素丁二酸乙酯;红霉素琥珀酸乙酯;琥乙红霉素;琥乙红霉素杂质;红霉素杂质17;琥乙红霉素(标准品);红霉素琥珀酸酯 英文名Erythromycin ethylsuccinate 英文同义ERYTHROMYCIN 2-(ETHYL BUTANEDIOATE);ERYTHROMYCIN 2-(ETHYL SUCCINATE);ERYTHROMYCIN ETHYLSUCCINATE;erythrocinethylsuccinate;erythromycin,mono(ethylsuccinate);erythromycin,mono(ethylsuccinate)(ester);Succinic acid, monoester with erythromycin;Erythromycin 2-[3-(ethoxycarbonyl)propionate]CAS1264-62-6 CAS1264-62-6 分子式C43H75NO16 分子量862.05EINECS215-033-8 结构式  性质熔点219-224 C 沸点778.19°C (rough estimate) 密度1.1417 (rough estimate) 折射率1.5280 (estimate) 闪点>110°(230°F) 储存条件2-8°C 溶解度ethanol: soluble50mg/mL 酸度系数(pKa)13.09±0.70(Predicted) 形态solid 颜色white 水溶解性Freely soluble in organic solvents, practically insoluble in water | |||