erythromycin and its Impurities
An antibacterial agent which is used for the treatment of infections caused in skin and respiratory tract. It exhibits bacteriostatic action by inhibiting the growth of bacteria. Reference standards of Erythromycin API, and its pharmacopeial, non pharmacopeial impurities, and stable isotopes are listed below.
(1R,2R,3R,6R,7S,8S,9R,10R,12S,17R)-9-((4-(Dimethylamino)-3-hydroxy-6-methyltetrahydro-2H-pyran-2-yl)oxy)-3-ethyl-2,10-dihydroxy-7-((5-hydroxy-4-methoxy-4,6-dimethyltetrahydro-2H-pyran-2-yl)oxy)-2,6,8,10,12,17-hexamethyl-4,16-dioxa-15-azabicyclo[12.2.1]heptadec-14-en-5-one
(1R,2R,3R,6R,7S,8S,9R,10R,12S,17R)-9-((4-(Dimethylamino)-3-hydroxy-6-methyltetrahydro-2H-pyran-2-yl)oxy)-3-ethyl-2,10-dihydroxy-7-((5-hydroxy-4-methoxy-4,6-dimethyltetrahydro-2H-pyran-2-yl)oxy)-2,6,8,10,12,17-hexamethyl-4,16-dioxa-15-azabicyclo[12.2.1]heptadec-14-en-5-one
Catalogue No.:PA 05 0151024
CAS :
NA
Molecular Formula : C38H68N2O12
Molecular Weight : 744.96
(2S,4R,4a'R,5S,6S,7'R,8'S,9'R,10'S,12'R,14'R,15'R,16'S,16a'S,E)-15'-(((2S,3R,4S,6R)-4-(Dimethylamino)-3-hydroxy-6-methyltetrahydro-2H-pyran-2-yl)oxy)-7'-ethyl-5,8',9',14'-tetrahydroxy-11'-(hydroxyimino)-4-methoxy-4,6,8',10',12',14',16'-heptamethylhexadecahydro-4'H,5'H-spiro[pyran-2,2'-[1,3]dioxino[5,4-c][1]oxacyclotetradecin]-5'-one
(2S,4R,4a'R,5S,6S,7'R,8'S,9'R,10'S,12'R,14'R,15'R,16'S,16a'S,E)-15'-(((2S,3R,4S,6R)-4-(Dimethylamino)-3-hydroxy-6-methyltetrahydro-2H-pyran-2-yl)oxy)-7'-ethyl-5,8',9',14'-tetrahydroxy-11'-(hydroxyimino)-4-methoxy-4,6,8',10',12',14',16'-heptamethylhexadecahydro-4'H,5'H-spiro[pyran-2,2'-[1,3]dioxino[5,4-c][1]oxacyclotetradecin]-5'-one
Catalogue No.:PA 05 0151025
CAS :
NA
Molecular Formula : C37H66N2O14
Molecular Weight : 762.94
(2R,3S,4R,5S,8R,10R,11R,12S,13S,14R)-11-(((2S,3S,4S,6R)-4-(Dimethylamino)-3-hydroxy-6-methyltetrahydro-2H-pyran-2-yl)oxy)-2-ethyl-3,4,10,13-tetrahydroxy-3,5,8,10,12,14-hexamethyl-1-oxa-7-azacyclopentadecan-15-one
(2R,3S,4R,5S,8R,10R,11R,12S,13S,14R)-11-(((2S,3S,4S,6R)-4-(Dimethylamino)-3-hydroxy-6-methyltetrahydro-2H-pyran-2-yl)oxy)-2-ethyl-3,4,10,13-tetrahydroxy-3,5,8,10,12,14-hexamethyl-1-oxa-7-azacyclopentadecan-15-one
Catalogue No.:PA 05 0151028
CAS :
NA
Molecular Formula : C29H56N2O9
Molecular Weight : 576.77
