阿奇霉素雜質(zhì)對(duì)照品現(xiàn)貨全套
阿奇霉素為半合成的十五元環(huán)大環(huán)內(nèi)酯類抗生素。白色或類白色結(jié)晶性粉末;無臭,味苦;微有引濕性。本品在甲醇、丙酮、、無水乙醇或稀鹽酸中易溶,在水中幾乎不溶。比旋度取本品,精密稱定,加無水乙醇溶解并稀釋制成每1ml中含20mg的溶液,依法測定(附錄ⅥE),比旋度應(yīng)為-45°至-49°。
別名: | (2R,3S,4R,5R,8R,10R,11R,12S,13S,14R)-13-((4,5-dihydroxy-4,6-dimethyltetrahydro-2H-pyran-2-yl)oxy)-11-((4-(dimethylamino)-3-hydroxy-6-methyltetrahydro-2H-pyran-2-yl)oxy)-2-ethyl-3,4,10-trihydroxy-3,5,6,8,10,12,14-heptamethyl-1-oxa-6-azacyclopentadecan-15-one |
英文名: | Azithromycin impurity C |
CAS號(hào): | |
分子式: | C37H70N2O12 |
分子量: | 734.96 |