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    Erythromycin EP Impurity D (Anhydroerythromycin A)

    Erythromycin EP Impurity D (Anhydroerythromycin A)

    Synonym

    (1S,2R,3R,4S,5R,8R,9S,10S,11R,12R,14R)-11-(((2S,3R,4S,6R)-4-(dimethylamino)-3-hydroxy-6-methyltetrahydro-2H-pyran-2-yl)oxy)-5-ethyl-3-hydroxy-9-(((2R,4R,5S,6S)-5-hydroxy-4-methoxy-4,6-dimethyltetrahydro-2H-pyran-2-yl)oxy)-2,4,8,10,12,14-hexamethyl-6,15,16-trioxatricyclo[10.2.1.11,4]hexadecan-7-one

    Molecular Formula

    C37H65NO12

    Molecular Weight

    715.93

    Catalogue Number

    AR-E01804

    Parent Drug

    ERYTHROMYCIN

    CAS Number

    23893-13-2

    Common Package:10,25,50,100 mg

    Collections: ERYTHROMYCIN

    Category: 23893-13-2 AR-E01804 C37H65NO12 ERYTHROMYCIN

    RELATED PRODUCTS
    Cycloester Erythromycin Enol Ether

    Molecular Formula

    C38H63NO13

    Molecular Weight

    741.92

    Catalogue Number

    AR-E01836

    Parent Drug

    ERYTHROMYCIN

    CAS Number

    58781-38-7
    Erythromycin Impurity 9

    Molecular Formula

    C38H63NO13

    Molecular Weight

    741.92

    Catalogue Number

    AR-E01835

    Parent Drug

    ERYTHROMYCIN
    Erythromycin A 9-Methoxime

    Synonym

    (3R,4S,5S,6R,7R,9R,11S,12R,13S,14R)-6-(((2S,3R,4S,6R)-4-(dimethylamino)-3-hydroxy-6-methyltetrahydro-2H-pyran-2-yl)oxy)-14-ethyl-7,12,13-trihydroxy-4-(((2R,4R,5S,6S)-5-hydroxy-4-methoxy-4,6-dimethyltetrahydro-2H-pyran-2-yl)oxy)-10-(methoxyimino)-3,5,7,9,11,13-hexamethyloxacyclotetradecan-2-one

    Molecular Formula

    C38H70N2O13

    Molecular Weight

    762.98

    Catalogue Number

    AR-E01834

    Parent Drug

    ERYTHROMYCIN

    CAS Number

    53066-26-5
    Erythromycin EP Impurity K (Erythromycin D)

    Synonym

    (3R,4S,5S,6R,7R,9R,11R,12S,13R,14R)-4-(((2R,4R,5S,6S)-4,5-dihydroxy-4,6-dimethyltetrahydro-2H-pyran-2-yl)oxy)-6-(((2S,3R,4S,6R)-4-(dimethylamino)-3-hydroxy-6-methyltetrahydro-2H-pyran-2-yl)oxy)-14-ethyl-7,12-dihydroxy-3,5,7,9,11,13-hexamethyloxacyclotetradecane-2,10-dione

    Molecular Formula

    C36H65NO12

    Molecular Weight

    703.91

    Catalogue Number

    AR-E01833

    Parent Drug

    ERYTHROMYCIN

    CAS Number

    33442-56-7
    Erythromycin Ethylsuccinate

    Synonym

    (2S,3R,4S,6R)-4-(dimethylamino)-2-(((3R,4S,5S,6R,7R,9R,11R,12R,13S,14R)-14-ethyl-7,12,13-trihydroxy-4-(((2R,4R,5S,6S)-5-hydroxy-4-methoxy-4,6-dimethyltetrahydro-2H-pyran-2-yl)oxy)-3,5,7,9,11,13-hexamethyl-2,10-dioxooxacyclotetradecan-6-yl)oxy)-6-methyltetrahydro-2H-pyran-3-yl ethyl succinate

    Molecular Formula

    C43H75NO16

    Molecular Weight

    862.06

    Catalogue Number

    AR-E01830

    Parent Drug

    ERYTHROMYCIN

    CAS Number

    1264-62-6
    O-Desmethyl Erythromycin ethylsuccinate

    Synonym

    (2S,3R,4S,6R)-2-(((3R,4S,5S,6R,7R,9R,11R,12R,13S,14R)-4-(((2R,4R,5S,6S)-4,5-dihydroxy-4,6-dimethyltetrahydro-2H-pyran-2-yl)oxy)-14-ethyl-7,12,13-trihydroxy-3,5,7,9,11,13-hexamethyl-2,10-dioxooxacyclotetradecan-6-yl)oxy)-4-(dimethylamino)-6-methyltetrahydro-2H-pyran-3-yl ethyl succinate

    Molecular Formula

    C42H73NO16

    Molecular Weight

    848.04

    Catalogue Number

    AR-E01829

    Parent Drug

    ERYTHROMYCIN
    Erythromycin B ethylsuccinate

    Synonym

    (2S,3R,4S,6R)-4-(dimethylamino)-2-(((3R,4S,5S,6R,7R,9R,11R,12S,13R,14R)-14-ethyl-7,12-dihydroxy-4-(((2R,4R,5S,6S)-5-hydroxy-4-methoxy-4,6-dimethyltetrahydro-2H-pyran-2-yl)oxy)-3,5,7,9,11,13-hexamethyl-2,10-dioxooxacyclotetradecan-6-yl)oxy)-6-methyltetrahydro-2H-pyran-3-yl ethyl succinate

    Molecular Formula

    C43H75NO15

    Molecular Weight

    846.07

    Catalogue Number

    AR-E01828

    Parent Drug

    ERYTHROMYCIN
    Erythromycylamine-d6

    Molecular Formula

    C37H64D6N2O12

    Molecular Weight

    741.01

    Catalogue Number

    AR-E01826

    Parent Drug

    ERYTHROMYCIN
    Erythromycin A 9-Oxime Thiocyanate

    Synonym

    thiocyanic acid compound with (3R,4S,5S,6R,7R,9R,11S,12R,13S,14R,E)-6-(((2S,3R,4S,6R)-4-(dimethylamino)-3-hydroxy-6-methyltetrahydro-2H-pyran-2-yl)oxy)-14-ethyl-7,12,13-trihydroxy-4-(((2R,4R,5S,6S)-5-hydroxy-4-methoxy-4,6-dimethyltetrahydro-2H-pyran-2-yl)oxy)-10-(hydroxyimino)-3,5,7,9,11,13-hexamethyloxacyclotetradecan-2-one (1:1)

    Molecular Formula

    C37H68N2O13. HSCN

    Molecular Weight

    748.95 59.09

    Catalogue Number

    AR-E01825

    Parent Drug

    ERYTHROMYCIN
    Erythromycin EP Impurity L

    Synonym

    N-((2S,3R,4S,6R)-2-(((3R,4S,5S,6R,7R,9R,11R,12R,13S,14R)-14-ethyl-7,12,13-trihydroxy-4-(((2R,4R,5S,6S)-5-hydroxy-4-methoxy-4,6-dimethyltetrahydro-2H-pyran-2-yl)oxy)-3,5,7,9,11,13-hexamethyl-2,10-dioxooxacyclotetradecan-6-yl)oxy)-3-hydroxy-6-methyltetrahydro-2H-pyran-4-yl)-N-methylformamide

    Molecular Formula

    C37H65NO14

    Molecular Weight

    747.44

    Catalogue Number

    AR-E01823

    Parent Drug

    ERYTHROMYCIN

    CAS Number

    127955-44-6
    Erythromycin Ethylsuccinate EP Impurity G

    Synonym

    ethyl 4-(((2S,3R,4S,6R)-2-(((3R,4S,5S,6R,7R,9R,11R,12R,13S,14R)-14-ethyl-7,12,13-trihydroxy-4-(((2R,4R,5S,6S)-5-hydroxy-4-methoxy-4,6-dimethyltetrahydro-2H-pyran-2-yl)oxy)-3,5,7,9,11,13-hexamethyl-2,10-dioxooxacyclotetradecan-6-yl)oxy)-3-hydroxy-6-methyltetrahydro-2H-pyran-4-yl)(methyl)amino)-4-oxobutanoate

    Molecular Formula

    C42H73NO16

    Molecular Weight

    848.04

    Catalogue Number

    AR-E01821

    Parent Drug

    ERYTHROMYCIN
    Erythromycin EP Impurity M

    Synonym

    (3R,4S,5S,6R,7R,9R,11R,12S,13R,14R)-6-(((2S,3R,4S,6R)-4-(dimethylamino)-3-hydroxy-6-methyltetrahydro-2H-pyran-2-yl)oxy)-14-ethyl-7,12-dihydroxy-4-(((2R,4R,5S,6S)-5-hydroxy-4-methoxy-4,6-dimethyltetrahydro-2H-pyran-2-yl)oxy)-3-(hydroxymethyl)-5,7,9,11,13-pentamethyloxacyclotetradecane-2,10-dione

    Molecular Formula

    C37H67NO13

    Molecular Weight

    733.94

    Catalogue Number

    AR-E01820

    Parent Drug

    ERYTHROMYCIN
    Erythromycin A 9-Oxime (Z-Isomer)

    Synonym

    (3R,4S,5S,6R,7R,9R,11S,12R,13S,14R,Z)-6-(((2S,3R,4S,6R)-4-(dimethylamino)-3-hydroxy-6-methyltetrahydro-2H-pyran-2-yl)oxy)-14-ethyl-7,12,13-trihydroxy-4-(((2R,4R,5S,6S)-5-hydroxy-4-methoxy-4,6-dimethyltetrahydro-2H-pyran-2-yl)oxy)-10-(hydroxyimino)-3,5,7,9,11,13-hexamethyloxacyclotetradecan-2-one

    Molecular Formula

    C37H68N2O13

    Molecular Weight

    748.95

    Catalogue Number

    AR-E01818

    Parent Drug

    ERYTHROMYCIN

    CAS Number

    134931-01-4
    Erthralosamine

    Synonym

    (4S,5R,8R,9S,10S,11R,12R,14R)-11-(((2S,3R,4S,6R)-4-(dimethylamino)-3-hydroxy-6-methyltetrahydro-2H-pyran-2-yl)oxy)-5-ethyl-9-hydroxy-2,4,8,10,12,14-hexamethyl-6,15,16-trioxatricyclo[10.2.1.11,4]hexadec-2-en-7-one

    Molecular Formula

    C29H49NO8

    Molecular Weight

    539.71

    Catalogue Number

    AR-E01817

    Parent Drug

    ERYTHROMYCIN

    CAS Number

    546-57-6
    Erythromycin N-Oxide

    Synonym

    (2S,3R,4S,6R)-2-(((3R,4S,5S,6R,7R,9R,11R,12R,13S,14R)-14-ethyl-7,12,13-trihydroxy-4-(((2R,4R,5S,6S)-5-hydroxy-4-methoxy-4,6-dimethyltetrahydro-2H-pyran-2-yl)oxy)-3,5,7,9,11,13-hexamethyl-2,10-dioxooxacyclotetradecan-6-yl)oxy)-3-hydroxy-N,N,6-trimethyltetrahydro-2H-pyran-4-amine oxide

    Molecular Formula

    C37H67NO14

    Molecular Weight

    749.94

    Catalogue Number

    AR-E01816

    Parent Drug

    ERYTHROMYCIN

    CAS Number

    992-65-4
    Pseudoerythromycin A Hemiketal

    Synonym

    (1S,2R,6R,7S,8S,9R,10R,12R)-3-((2R,3R)-2,3-dihydroxypentan-2-yl)-9-(((2S,3R,4S,6R)-4-(dimethylamino)-3-hydroxy-6-methyltetrahydro-2H-pyran-2-yl)oxy)-1-hydroxy-7-(((2R,4R,5S,6S)-5-hydroxy-4-methoxy-4,6-dimethyltetrahydro-2H-pyran-2-yl)oxy)-2,6,8,10,12-pentamethyl-4,13-dioxabicyclo[8.2.1]tridecan-5-one

    Molecular Formula

    C37H67NO13

    Molecular Weight

    733.94

    Catalogue Number

    AR-E01815

    Parent Drug

    ERYTHROMYCIN

    CAS Number

    105900-46-7
    Erythromycin EP Impurity E (Erythromycin A Enol Ether)

    Synonym

    (2R,3R,4S,5R,8R,9S,10S,11R,12R)-11-(((2S,3R,4S,6R)-4-(dimethylamino)-3-hydroxy-6-methyltetrahydro-2H-pyran-2-yl)oxy)-5-ethyl-3,4-dihydroxy-9-(((2R,4R,5S,6S)-5-hydroxy-4-methoxy-4,6-dimethyltetrahydro-2H-pyran-2-yl)oxy)-2,4,8,10,12,14-hexamethyl-6,15-dioxabicyclo[10.2.1]pentadec-1(14)-en-7-one

    Molecular Formula

    C37H65NO12

    Molecular Weight

    715.92

    Catalogue Number

    AR-E01814

    Parent Drug

    ERYTHROMYCIN

    CAS Number

    33396-29-1
    N-Demethyl-N-Propanoyl Erythromycin

    Synonym

    N-((2S,3R,4S,6R)-2-(((3R,4S,5S,6R,7R,9R,11R,12R,13S,14R)-14-ethyl-7,12,13-trihydroxy-4-(((2R,4R,5S,6S)-5-hydroxy-4-methoxy-4,6-dimethyltetrahydro-2H-pyran-2-yl)oxy)-3,5,7,9,11,13-hexamethyl-2,10-dioxooxacyclotetradecan-6-yl)oxy)-3-hydroxy-6-methyltetrahydro-2H-pyran-4-yl)-N-methylpropionamide

    Molecular Formula

    C39H69NO14

    Molecular Weight

    775.98

    Catalogue Number

    AR-E01812

    Parent Drug

    ERYTHROMYCIN

    CAS Number

    147702-49-6
    Erythromycin Propionate

    Synonym

    (2S,3R,4S,6R)-4-(dimethylamino)-2-(((3R,4S,5S,6R,7R,9R,11R,12R,13S,14R)-14-ethyl-7,12,13-trihydroxy-4-(((2R,4R,5S,6S)-5-hydroxy-4-methoxy-4,6-dimethyltetrahydro-2H-pyran-2-yl)oxy)-3,5,7,9,11,13-hexamethyl-2,10-dioxooxacyclotetradecan-6-yl)oxy)-6-methyltetrahydro-2H-pyran-3-yl propionate

    Molecular Formula

    C40H71NO14

    Molecular Weight

    790.01

    Catalogue Number

    AR-E01811

    Parent Drug

    ERYTHROMYCIN

    CAS Number

    134-36-1
    Erythromycin EP Impurity F

    Synonym

    (2R,6R,7S,8S,9R,10R)-3-((2R,3R)-2,3-dihydroxypentan-2-yl)-9-(((2S,3R,4S,6R)-4-(dimethylamino)-3-hydroxy-6-methyltetrahydro-2H-pyran-2-yl)oxy)-7-(((2R,4R,5S,6S)-5-hydroxy-4-methoxy-4,6-dimethyltetrahydro-2H-pyran-2-yl)oxy)-2,6,8,10,12-pentamethyl-4,13-dioxabicyclo[8.2.1]tridec-1(12)-en-5-one

    Molecular Formula

    C37H65NO12

    Molecular Weight

    715.92

    Catalogue Number

    AR-E01810

    Parent Drug

    ERYTHROMYCIN

    CAS Number

    105822-69-7
    Erythromycin Impurity E

    Synonym

    (2R,3R,4S,5R,8R,9S,10S,11R,12R)-11-(((2S,3R,4S,6R)-4-(dimethylamino)-3-hydroxy-6-methyltetrahydro-2H-pyran-2-yl)oxy)-5-ethyl-3,4-dihydroxy-9-(((2R,4R,5S,6S)-5-hydroxy-4-methoxy-4,6-dimethyltetrahydro-2H-pyran-2-yl)oxy)-2,4,8,10,12,14-hexamethyl-6,15-dioxabicyclo[10.2.1]pentadec-1(14)-en-7-one

    Molecular Formula

    C37H65NO12

    Molecular Weight

    715.93

    Catalogue Number

    AR-E01809

    Parent Drug

    ERYTHROMYCIN

    CAS Number

    857839-61-3
    Erythromycin EP Impurity C (Erythromycin E)

    Synonym

    (2S,4aR,4'R,5'S,6'S,7R,8S,9R,10R,12R,14R,15R,16S,16aS)-15-(((2S,3R,4S,6R)-4-(dimethylamino)-3-hydroxy-6-methyltetrahydro-2H-pyran-2-yl)oxy)-7-ethyl-5',8,9,14-tetrahydroxy-4'-methoxy-4',6',8,10,12,14,16-heptamethylhexadecahydrospiro[[1,3]dioxino[5,4-c][1]oxacyclotetradecine-2,2'-pyran]-5,11-dione

    Molecular Formula

    C37H65NO14

    Molecular Weight

    747.93

    Catalogue Number

    AR-E01808

    Parent Drug

    ERYTHROMYCIN

    CAS Number

    41451-91-6
    Erythromycin Ethylsuccinate-13C-d3

    Molecular Formula

    13C C42H72D3NO16

    Molecular Weight

    866.07

    Catalogue Number

    AR-E01807

    Parent Drug

    ERYTHROMYCIN

    CAS Number

    1264-62-6 (non-labelled)
    Erythromycin Ethylsuccinate-D5

    Molecular Formula

    C43H70NO16D5

    Molecular Weight

    867.10

    Catalogue Number

    AR-E01806

    Parent Drug

    ERYTHROMYCIN

    CAS Number

    1264-62-6 (non-d)
    Erythromycin EP Impurity A

    Synonym

    (3R,4S,5S,6R,7R,9R,11R,12R,13S,14R)-6-(((2S,3R,4S,6R)-4-(dimethylamino)-3-hydroxy-6-methyltetrahydro-2H-pyran-2-yl)oxy)-14-ethyl-7,12,13-trihydroxy-4-(((2R,4R,5S,6S)-5-hydroxy-4-methoxy-4,6-dimethyltetrahydro-2H-pyran-2-yl)oxy)-3-(hydroxymethyl)-5,7,9,11,13-pentamethyloxacyclotetradecane-2,10-dione

    Molecular Formula

    C37H67NO14

    Molecular Weight

    749.94

    Catalogue Number

    AR-E01805

    Parent Drug

    ERYTHROMYCIN

    CAS Number

    82230-93-1
    Erythromycin EP Impurity N

    Synonym

    (3R,4S,5S,6R,7R,9R,11R,12S,13R,14R)-14-ethyl-4,6,7,12-tetrahydroxy-3,5,7,9,11,13-hexamethyloxacyclotetradecane-2,10-dione

    Molecular Formula

    C21H38O7

    Molecular Weight

    402.53

    Catalogue Number

    AR-E01803

    Parent Drug

    ERYTHROMYCIN

    CAS Number

    3225-82-9
    8-Epi-11,12-epoxy Erythromycin A

    Synonym

    (1R,2R,5R,6S,7S,8R,9R,11S,13R)-8-(((2S,3R,4S,6R)-4-(dimethylamino)-3-hydroxy-6-methyltetrahydro-2H-pyran-2-yl)oxy)-2-ethyl-9-hydroxy-6-(((2R,4R,5S,6S)-5-hydroxy-4-methoxy-4,6-dimethyltetrahydro-2H-pyran-2-yl)oxy)-1,5,7,9,11,13-hexamethyl-3,15-dioxabicyclo[12.1.0]pentadecane-4,12-dione

    Molecular Formula

    C37H65NO12

    Molecular Weight

    715.93

    Catalogue Number

    AR-E01802

    Parent Drug

    ERYTHROMYCIN
    Erythromycin Impurity J (Roxithromycin EP Impurity C)

    Synonym

    (3R,4S,5S,6R,7R,9R,11S,12R,13S,14R,E)-6-(((2S,3R,4S,6R)-4-(dimethylamino)-3-hydroxy-6-methyltetrahydro-2H-pyran-2-yl)oxy)-14-ethyl-7,12,13-trihydroxy-4-(((2R,4R,5S,6S)-5-hydroxy-4-methoxy-4,6-dimethyltetrahydro-2H-pyran-2-yl)oxy)-10-(hydroxyimino)-3,5,7,9,11,13-hexamethyloxacyclotetradecan-2-one

    Molecular Formula

    C37H68N2O13

    Molecular Weight

    748.96

    Catalogue Number

    AR-E01801

    Parent Drug

    ERYTHROMYCIN

    CAS Number

    111321-02-9
    Erythromycin B

    Synonym

    (3R,4S,5S,6R,7R,9R,11R,12S,13R,14R)-6-(((2S,3R,4S,6R)-4-(dimethylamino)-3-hydroxy-6-methyltetrahydro-2H-pyran-2-yl)oxy)-14-ethyl-7,12-dihydroxy-4-(((2R,4R,5S,6S)-5-hydroxy-4-methoxy-4,6-dimethyltetrahydro-2H-pyran-2-yl)oxy)-3,5,7,9,11,13-hexamethyloxacyclotetradecane-2,10-dione

    Molecular Formula

    C37H67NO12

    Molecular Weight

    717.95

    Catalogue Number

    AR-E01798

    Parent Drug

    ERYTHROMYCIN

    CAS Number

    527-75-3
    Erythromycylamine-13C-d3

    Molecular Formula

    13C C36H67N2O12D3

    Molecular Weight

    738.98

    Catalogue Number

    AR-E01797

    Parent Drug

    ERYTHROMYCIN
    Erythromycylamine (Dirithromycin EP Impurity A)

    Synonym

    (3R,4S,5S,6R,7R,9R,10S,11S,12R,13S,14R)-10-amino-6-(((2S,3R,4S,6R)-4-(dimethylamino)-3-hydroxy-6-methyltetrahydro-2H-pyran-2-yl)oxy)-14-ethyl-7,12,13-trihydroxy-4-(((2R,4R,5S,6S)-5-hydroxy-4-methoxy-4,6-dimethyltetrahydro-2H-pyran-2-yl)oxy)-3,5,7,9,11,13-hexamethyloxacyclotetradecan-2-one

    Molecular Formula

    C37H70N2O12

    Molecular Weight

    734.97

    Catalogue Number

    AR-E01796

    Parent Drug

    ERYTHROMYCIN

    CAS Number

    26116-56-3
    Erythromycin (Roxithromycin EP Impurity A)

    Synonym

    (3R,4S,5S,6R,7R,9R,11R,12R,13S,14R)-6-(((2S,3R,4S,6R)-4-(dimethylamino)-3-hydroxy-6-methyltetrahydro-2H-pyran-2-yl)oxy)-14-ethyl-7,12,13-trihydroxy-4-(((2R,4R,5S,6S)-5-hydroxy-4-methoxy-4,6-dimethyltetrahydro-2H-pyran-2-yl)oxy)-3,5,7,9,11,13-hexamethyloxacyclotetradecane-2,10-dione

    Molecular Formula

    C37H67NO13

    Molecular Weight

    733.95

    Catalogue Number

    AR-E01795

    Parent Drug

    ERYTHROMYCIN

    CAS Number

    114-07-8
    Erythromycin EP Impurity B

    Synonym

    (3R,4S,5S,6R,7R,9R,11R,12R,13S,14R)-14-ethyl-7,12,13-trihydroxy-4-(((2R,4R,5S,6S)-5-hydroxy-4-methoxy-4,6-dimethyltetrahydro-2H-pyran-2-yl)oxy)-6-(((2S,3R,4S,6R)-3-hydroxy-6-methyl-4-(methylamino)tetrahydro-2H-pyran-2-yl)oxy)-3,5,7,9,11,13-hexamethyloxacyclotetradecane-2,10-dione

    Molecular Formula

    C36H65NO13

    Molecular Weight

    719.91

    Catalogue Number

    AR-E01794

    Parent Drug

    ERYTHROMYCIN

    CAS Number

    992-62-1
    Erythromycin-13C-d3

    Molecular Formula

    13C C36H64D3NO13

    Molecular Weight

    737.95

    Catalogue Number

    AR-E01793

    Parent Drug

    ERYTHROMYCIN

    CAS Number

    114-07-8 (non-labelled)