无锡鸣鹭医药科技有限公司

3-Hydroxy Azithromycinoic Acid
(2R,3S,4S,5R,6R,8R)-5-(((2S,4S,6R)-4-(dimethylamino)-3-hydroxy-6-methyltetrahydro-2H-pyran-2-yl)oxy)-3,6-dihydroxy-2,4,6,8-tetramethyl-9-(methyl((2R,3R,4R,5R)-3,4,5-trihydroxy-4-methylheptan-2-yl)amino)nonanoate

MF:C₃₀H₆₀N₂O₁₀| MW:608.81 | CAS:2365312-76-9

Azithromycin EP Impurity A (Azathramycin, Desmethyl Azithromycin)
(2R,3S,4R,5R,8R,10R,11R,12S,13S,14R)-11-(((2S,4S,6R)-4-(dimethylamino)-3-hydroxy-6-methyltetrahydro-2H-pyran-2-yl)oxy)-2-ethyl-3,4,10-trihydroxy-13-(((2R,4R,5S,6S)-5-hydroxy-4-methoxy-4,6-dimethyltetrahydro-2H-pyran-2-yl)oxy)-3,5,8,10,12,14-hexamethyl-1-oxa-6-azacyclopentadecan-15-one

MF:C₃₇H₇₀N₂O₁₂| MW:734.97 | CAS:76801-85-9

Azithromycin EP Impurity I (N-Desmethyl Azithromycin)
(2R,3S,4R,5R,8R,10R,11R,12S,13S,14R)-2-ethyl-3,4,10-trihydroxy-13-(((2R,4R,5S,6S)-5-hydroxy-4-methoxy-4,6-dimethyltetrahydro-2H-pyran-2-yl)oxy)-11-(((2S,3R,4S,6R)-3-hydroxy-6-methyl-4-(methylamino)tetrahydro-2H-pyran-2-yl)oxy)-3,5,6,8,10,12,14-heptamethyl-1-oxa-6-azacyclopentadecan-15-one

MF:C₃₇H₇₀N₂O₁₂| MW:734.97 | CAS:172617-84-4

Azithromycin Impurity 34 (Erythromycin A (9,11-Imino Ether))
(1R,2R,3R,6R,7S,8S,9R,10R,12R,15R)-9-(((2S,3R,4S,6R)-4-(dimethylamino)-3-hydroxy-6-methyltetrahydro-2H-pyran-2-yl)oxy)-3-ethyl-2,10-dihydroxy-7-(((2R,4R,5S,6S)-5-hydroxy-4-methoxy-4,6-dimethyltetrahydro-2H-pyran-2-yl)oxy)-2,6,8,10,12,15-hexamethyl-4,16-dioxa-14-azabicyclo[11.2.1]hexadec-13-en-5-one

MF:C₃₇H₆₆N₂O₁₂| MW:730.94 | CAS:161193-44-8

Azithromycin
(2R,3S,4R,5R,8R,10R,11R,12S,13S,14R)-11-(((2S,4S,6R)-4-(dimethylamino)-3-hydroxy-6-methyltetrahydro-2H-pyran-2-yl)oxy)-2-ethyl-3,4,10-trihydroxy-13-(((2R,4R,5S,6S)-5-hydroxy-4-methoxy-4,6-dimethyltetrahydro-2H-pyran-2-yl)oxy)-3,5,6,8,10,12,14-heptamethyl-1-oxa-6-azacyclopentadecan-15-one

MF:C₃₈H₇₂N₂O₁₂| MW:749.00 | CAS:83905-01-5

Azithromycin EP Impurity N
(2R,3S,4R,5R,8R,10R,11R,12S,13S,14R)-2-ethyl-3,4,10-trihydroxy-13-(((2R,4R,5S,6S)-5-hydroxy-4-methoxy-4,6-dimethyltetrahydro-2H-pyran-2-yl)oxy)-11-(((2S,3S,6R)-3-hydroxy-6-methyl-4-oxotetrahydro-2H-pyran-2-yl)oxy)-3,5,6,8,10,12,14-heptamethyl-1-oxa-6-azacyclopentadecan-15-one

MF:C₃₆H₆₅NO₁₃| MW:719.91 | CAS:612069-25-7

Azithromycin EP Impurity M
N-((2S,3R,4S,6R)-2-(((2R,3S,4R,5R,8R,10R,11R,12S,13S,14R)-2-ethyl-3,4,10-trihydroxy-13-(((2R,4R,5S,6S)-5-hydroxy-4-methoxy-4,6-dimethyltetrahydro-2H-pyran-2-yl)oxy)-3,5,6,8,10,12,14-heptamethyl-15-oxo-1-oxa-6-azacyclopentadecan-11-yl)oxy)-3-hydroxy-6-methyltetrahydro-2H-pyran-4-yl)formamide

MF:C₃₇H₆₈N₂O₁₃| MW:748.95 | CAS:765927-71-7

Azithromycin EP Impurity J
(2R,3S,4R,5R,8R,10R,11R,12S,13S,14R)-11-(((2S,3R,4S,6R)-4-(dimethylamino)-3-hydroxy-6-methyltetrahydro-2H-pyran-2-yl)oxy)-2-ethyl-3,4,10,13-tetrahydroxy-3,5,6,8,10,12,14-heptamethyl-1-oxa-6-azacyclopentadecan-15-one

MF:C₃₀H₅₈N₂O₉| MW:590.80 | CAS:117693-41-1

Azithromycin EP Impurity G
N-((2S,4S,6R)-2-(((2R,3S,4R,5R,8R,10R,11R,12S,13S,14R)-2-ethyl-3,4,10-trihydroxy-13-(((2R,4R,5S,6S)-5-hydroxy-4-methoxy-4,6-dimethyltetrahydro-2H-pyran-2-yl)oxy)-3,5,6,8,10,12,14-heptamethyl-15-oxo-1-oxa-6-azacyclopentadecan-11-yl)oxy)-3-hydroxy-6-methyltetrahydro-2H-pyran-4-yl)-N,4-dimethylbenzenesulfonamide

MF:C₄₄H₇₆N₂O₁₄S| MW:889.15 | CAS:612069-31-5

Azithromycin EP Impurity E
(2R,3S,4R,5R,8R,10R,11R,12S,13S,14R)-11-(((2S,3R,4S,6R)-4-amino-3-hydroxy-6-methyltetrahydro-2H-pyran-2-yl)oxy)-2-ethyl-3,4,10-trihydroxy-13-(((2R,4R,5S,6S)-5-hydroxy-4-methoxy-4,6-dimethyltetrahydro-2H-pyran-2-yl)oxy)-3,5,6,8,10,12,14-heptamethyl-1-oxa-6-azacyclopentadecan-15-one

MF:C₃₆H₆₈N₂O₁₂| MW:720.94 | CAS:612069-27-9

Azithromycin EP Impurity O

MF:

C39H74N2O12| MW:763.04 | CAS:763924-54-5

Azithromycin-13C-d3
(2R,3S,4R,5R,8R,10R,11R,12S,13S,14R)-2-ethyl-3,4,10-trihydroxy-13-(((2R,4R,5S,6S)-5-hydroxy-4-methoxy-4,6-dimethyltetrahydro-2H-pyran-2-yl)oxy)-11-(((2S,4S,6R)-3-hydroxy-6-methyl-4-(methyl(methyl-13C-d3)amino)tetrahydro-2H-pyran-2-yl)oxy)-3,5,6,8,10,12,14-heptamethyl-1-oxa-6-azacyclopentadecan-15-one

MF:C₃₇¹³CH₆₉D₃N₂O₁₂| MW:753.01 |