Erythromycin

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Erythromycin API Reference standards  and its EP Impurities, USP Impurities, non pharmacopeial Impurities, listed below & also offered custom synthesis for unknown Impurities. If require any contact info@drjcrbio.com, sales@drjcrbio.com

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    Product Name : Erythromycin B;12-Deoxy Erythromycin;(3R,4S,5S,6R,7R,9R,11R,12S,13S,14R)-4-[(2,6-Dideoxy-3-C-methyl-3-O-methyl-α-L-ribo-hexopyranosyl)oxy]-14-ethyl-7,13-dihydroxy-3,5,7,9,11,13-hexamethyl-6-[(3,4,6-trideoxy-3-dimethylamino-β-D-xylo-hexopyranosyl)-oxy]oxacyclotetradecane-2,10-dione|527-75-3

    Code: JCERM-13
    CAS: 527-75-3
    Chemical Formula:C37H67NO12
    Molecular Weight: 717.93
    Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities
    Literature:
    Application: Erythromycin B;12-Deoxy Erythromycin;(3R,4S,5S,6R,7R,9R,11R,12S,13S,14R)-4-[(2,6-Dideoxy-3-C-methyl-3-O-methyl-α-L-ribo-hexopyranosyl)oxy]-14-ethyl-7,13-dihydroxy-3,5,7,9,11,13-hexamethyl-6-[(3,4,6-trideoxy-3-dimethylamino-β-D-xylo-hexopyranosyl)-oxy]oxacyclotetradecane-2,10-dione|527-75-3  is useful as reference Impurity standard.
    Erythromycin B;12-Deoxy Erythromycin;(3R,4S,5S,6R,7R,9R,11R,12S,13S,14R)-4-[(2,6-Dideoxy-3-C-methyl-3-O-methyl-α-L-ribo-hexopyranosyl)oxy]-14-ethyl-7,13-dihydroxy-3,5,7,9,11,13-hexamethyl-6-[(3,4,6-trideoxy-3-dimethylamino-β-D-xylo-hexopyranosyl)-oxy]oxacyclotetradecane-2,10-dione|527-75-3
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    Product Name : Erythromycin EP Impurity L;N-(2-(((3R,4S,5S,6R,7R,9R,11R,12R,13S,14R)-14-ethyl-7,12,13-trihydroxy-4-((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-methyltet | 127955-44-6

    Code: JCERM-12
    CAS: 127955-44-6
    Chemical Formula: C37H65NO14
    Molecular Weight: 747.91
    Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities
    Literature:
    Application: Erythromycin EP Impurity L;N-(2-(((3R,4S,5S,6R,7R,9R,11R,12R,13S,14R)-14-ethyl-7,12,13-trihydroxy-4-((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-methyltet | 127955-44-6 is useful as reference Impurity standard.
    Erythromycin EP Impurity L;N-(2-(((3R,4S,5S,6R,7R,9R,11R,12R,13S,14R)-14-ethyl-7,12,13-trihydroxy-4-((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-methyltet | 127955-44-6
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    Product Name : Erythromycin EP Impurity J; (1S,2R,3R,6R,7S,8S,9R,10R,12R)-7-[(2,6-Dideoxy-3-C-methyl-3-O-methyl-?-L-ribo-hexopyranosyl)oxy]-3-[(1R,2R)-1,2-dihydroxy-1-methylbutyl]-1-hydroxy-2,6,8,10,12-pentamethyl-9-[[3,4,6-trideoxy-3-(dimethylamino)-?-D-xylo-hexop | 105900-46-7

    Code: JCERM-11
    CAS: 105900-46-7
    Chemical Formula: C37H68N2O13
    Molecular Weight: 748.95
    Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities
    Literature:
    Application: Erythromycin EP Impurity J; (1S,2R,3R,6R,7S,8S,9R,10R,12R)-7-[(2,6-Dideoxy-3-C-methyl-3-O-methyl-?-L-ribo-hexopyranosyl)oxy]-3-[(1R,2R)-1,2-dihydroxy-1-methylbutyl]-1-hydroxy-2,6,8,10,12-pentamethyl-9-[[3,4,6-trideoxy-3-(dimethylamino)-?-D-xylo-hexop | 105900-46-7 is useful as reference Impurity standard.
    Erythromycin EP Impurity J; (1S,2R,3R,6R,7S,8S,9R,10R,12R)-7-[(2,6-Dideoxy-3-C-methyl-3-O-methyl-?-L-ribo-hexopyranosyl)oxy]-3-[(1R,2R)-1,2-dihydroxy-1-methylbutyl]-1-hydroxy-2,6,8,10,12-pentamethyl-9-[[3,4,6-trideoxy-3-(dimethylamino)-?-D-xylo-hexop | 105900-46-7
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    Product Name : Erythromycin EP Impurity I;Erythralosamine ; (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 | 546-57-6

    Code: JCERM-10
    CAS: 546-57-6
    Chemical Formula: C29H49NO8
    Molecular Weight: 539.70
    Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities
    Literature:
    Application: Erythromycin EP Impurity I;Erythralosamine ; (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 | 546-57-6 is useful as reference Impurity standard.
    Erythromycin EP Impurity I;Erythralosamine ; (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 | 546-57-6
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    Product Name : Erythromycin EP Impurity H;Erythromycin N-Oxide ; Erythromycin Ethyl Succinate EP Impurity H ; 2-[[(3R,4S,5S,6R,7R,9R,11R,12R,13S,14R)-14-ethyl-7,12,13-trihydroxy-4-(5-hydroxy-4-methoxy-4,6-dimethyl-tetrahydropyran-2-yl)oxy-3,5,7,9,11,13-hexamethyl-2,10-dioxo-oxacyclotetradec-6-yl]oxy]-3-hydroxy-N,N,6-trimethyl-tetrahydropyran-4-amine oxide | 992-65-4

    Code: JCERM-09
    CAS: 992-65-4
    Chemical Formula: C37H67NO14
    Molecular Weight: 749.93
    Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities
    Literature:
    Application: Erythromycin EP Impurity H;Erythromycin N-Oxide ; Erythromycin Ethyl Succinate EP Impurity H ; 2-[[(3R,4S,5S,6R,7R,9R,11R,12R,13S,14R)-14-ethyl-7,12,13-trihydroxy-4-(5-hydroxy-4-methoxy-4,6-dimethyl-tetrahydropyran-2-yl)oxy-3,5,7,9,11,13-hexamethyl-2,10-dioxo-oxacyclotetradec-6-yl]oxy]-3-hydroxy-N,N,6-trimethyl-tetrahydropyran-4-amine oxide | 992-65-4 is useful as reference Impurity standard.
    Erythromycin EP Impurity H;Erythromycin N-Oxide ; Erythromycin Ethyl Succinate EP Impurity H ; 2-[[(3R,4S,5S,6R,7R,9R,11R,12R,13S,14R)-14-ethyl-7,12,13-trihydroxy-4-(5-hydroxy-4-methoxy-4,6-dimethyl-tetrahydropyran-2-yl)oxy-3,5,7,9,11,13-hexamethyl-2,10-dioxo-oxacyclotetradec-6-yl]oxy]-3-hydroxy-N,N,6-trimethyl-tetrahydropyran-4-amine oxide | 992-65-4
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    Product Name : Erythromycin EP Impurity G;(2S, 3R, 4S, 6R)-2-(((3R,4S,5S,6R,7R,9R,11R,12R,13R,14R)-14-ethyl-7,12,13-trihydroxy-4-(((2S,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

    Code: JCERM-08
    CAS: NA
    Chemical Formula: C42H73NO16
    Molecular Weight: 848.03
    Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities
    Literature:
    Application: Erythromycin EP Impurity G;(2S, 3R, 4S, 6R)-2-(((3R,4S,5S,6R,7R,9R,11R,12R,13R,14R)-14-ethyl-7,12,13-trihydroxy-4-(((2S,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 is useful as reference Impurity standard.
    Erythromycin EP Impurity G;(2S, 3R, 4S, 6R)-2-(((3R,4S,5S,6R,7R,9R,11R,12R,13R,14R)-14-ethyl-7,12,13-trihydroxy-4-(((2S,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
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    Product Name : Erythromycin EP Impurity F ;Pseudoerythromycin A Enol Ether ;(2R,3R,6R,7S,8S,9R,10R)-7-[(2,6-Dideoxy-3-C-methyl-3-O-methyl-α-L-ribo-hexopyranosyl)oxy]-3-[(1R,2R)-1,2-dihydroxy-1-methylbutyl]-2,6,8,10,12-pentamethyl-9-[[3,4,6-trideoxy-3-(dimethylamino)-β-D-xylohexopyranosyl]oxy]-4,13-dioxabicyclo[8.2.1 ]tridec-1(12)-en-5-one | 105882-69-7

    Code: JCERM-07
    CAS: 105882-69-7
    Chemical Formula: C37H65NO12
    Molecular Weight: 715.91
    Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities
    Literature:
    Application: Erythromycin EP Impurity F ;Pseudoerythromycin A Enol Ether ;(2R,3R,6R,7S,8S,9R,10R)-7-[(2,6-Dideoxy-3-C-methyl-3-O-methyl-α-L-ribo-hexopyranosyl)oxy]-3-[(1R,2R)-1,2-dihydroxy-1-methylbutyl]-2,6,8,10,12-pentamethyl-9-[[3,4,6-trideoxy-3-(dimethylamino)-β-D-xylohexopyranosyl]oxy]-4,13-dioxabicyclo[8.2.1 ]tridec-1(12)-en-5-one | 105882-69-7  is useful as reference Impurity standard.
     
    Erythromycin EP Impurity F ;Pseudoerythromycin A Enol Ether ;(2R,3R,6R,7S,8S,9R,10R)-7-[(2,6-Dideoxy-3-C-methyl-3-O-methyl-α-L-ribo-hexopyranosyl)oxy]-3-[(1R,2R)-1,2-dihydroxy-1-methylbutyl]-2,6,8,10,12-pentamethyl-9-[[3,4,6-trideoxy-3-(dimethylamino)-β-D-xylohexopyranosyl]oxy]-4,13-dioxabicyclo[8.2.1 ]tridec-1(12)-en-5-one | 105882-69-7
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    Product Name : Erythromycin EP Impurity E ;Erythromycin A Enol Ether ;(2R,3R,4S,5R,8R,9S,10S,11R,12R)-9-[(2,6-Dideoxy-3-C-methyl-3-O-methyl-α-L-ribo-hexopyranosyl)oxy]-5-ethyl-3,4-dihydroxy-2,4,8,10,12,14-hexamethyl-11-[[3,4,6-trideoxy-3-(dimethylamino)-β-D-xylohexopyranosyl]oxy]-6,15-dioxabicyclo[10.2.1]pentadec-1(14)-en-7-one | 33396-29-1

    Code: JCERM-06
    CAS: 33396-29-1
    Chemical Formula: C37H65NO12
    Molecular Weight: 715.91
    Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities
    Literature:
    Application: Erythromycin EP Impurity E ;Erythromycin A Enol Ether ;(2R,3R,4S,5R,8R,9S,10S,11R,12R)-9-[(2,6-Dideoxy-3-C-methyl-3-O-methyl-α-L-ribo-hexopyranosyl)oxy]-5-ethyl-3,4-dihydroxy-2,4,8,10,12,14-hexamethyl-11-[[3,4,6-trideoxy-3-(dimethylamino)-β-D-xylohexopyranosyl]oxy]-6,15-dioxabicyclo[10.2.1]pentadec-1(14)-en-7-one | 33396-29-1 is useful as reference Impurity standard.
    Erythromycin EP Impurity E ;Erythromycin A Enol Ether ;(2R,3R,4S,5R,8R,9S,10S,11R,12R)-9-[(2,6-Dideoxy-3-C-methyl-3-O-methyl-α-L-ribo-hexopyranosyl)oxy]-5-ethyl-3,4-dihydroxy-2,4,8,10,12,14-hexamethyl-11-[[3,4,6-trideoxy-3-(dimethylamino)-β-D-xylohexopyranosyl]oxy]-6,15-dioxabicyclo[10.2.1]pentadec-1(14)-en-7-one | 33396-29-1
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    Product Name : Erythromycin EP Impurity D ; Anhydroerythromycin A ;(1S,2R,3R,4S,5R,8R,9S,10S,11R,12R,14R)-9-[(2,6-Dideoxy-3-C-methyl-3-O-methyl-α-L-ribo-hexopyranosyl)oxy]-5-ethyl-3-hydroxy-2,4,8,10,12,14-hexamethyl-11-[[3,4,6-trideoxy-3-(dimethylamino)-β-D-xylo-hexopyranosyl]oxy]-6,15,16-trioxatricyclo[10.2.1.11,4]hexadecan-7-one | 23893-13-2

    Code: JCERM-05
    CAS: 23893-13-2
    Chemical Formula: C37H65NO12
    Molecular Weight: 715.91
    Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities
    Literature:
    Application: Erythromycin EP Impurity D ; Anhydroerythromycin A ;(1S,2R,3R,4S,5R,8R,9S,10S,11R,12R,14R)-9-[(2,6-Dideoxy-3-C-methyl-3-O-methyl-α-L-ribo-hexopyranosyl)oxy]-5-ethyl-3-hydroxy-2,4,8,10,12,14-hexamethyl-11-[[3,4,6-trideoxy-3-(dimethylamino)-β-D-xylo-hexopyranosyl]oxy]-6,15,16-trioxatricyclo[10.2.1.11,4]hexadecan-7-one | 23893-13-2 is useful as reference Impurity standard.
    Erythromycin EP Impurity D ; Anhydroerythromycin A ;(1S,2R,3R,4S,5R,8R,9S,10S,11R,12R,14R)-9-[(2,6-Dideoxy-3-C-methyl-3-O-methyl-α-L-ribo-hexopyranosyl)oxy]-5-ethyl-3-hydroxy-2,4,8,10,12,14-hexamethyl-11-[[3,4,6-trideoxy-3-(dimethylamino)-β-D-xylo-hexopyranosyl]oxy]-6,15,16-trioxatricyclo[10.2.1.11,4]hexadecan-7-one | 23893-13-2
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    Product Name : Erythromycin EP Impurity C ; Erythromycin E ; (2S,4aR,4′R,5′S,6′S,7R,8S,9R,10R,12R,14R,15R,16S)-7-Ethyl-5′,8,9,14-tetrahydroxy-4′-methoxy-4′,6′,8,10,12,14,16-heptamethyl-15-[[3,4,6-trideoxy-3-(dimethylamino)-β-D-xylo-hexopyranosyl]oxy]hexadecahydrospiro[5H,11H-1,3-dioxino[5,4c]oxacyclotetradecin-2,2′-pyrane]-5,11-dione

    Code: JCERM-04
    CAS: NA
    Chemical Formula: C37H65NO14
    Molecular Weight: 747.91
    Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities
    Literature:
    Application: Erythromycin EP Impurity C ; Erythromycin E ; (2S,4aR,4′R,5′S,6′S,7R,8S,9R,10R,12R,14R,15R,16S)-7-Ethyl-5′,8,9,14-tetrahydroxy-4′-methoxy-4′,6′,8,10,12,14,16-heptamethyl-15-[[3,4,6-trideoxy-3-(dimethylamino)-β-D-xylo-hexopyranosyl]oxy]hexadecahydrospiro[5H,11H-1,3-dioxino[5,4c]oxacyclotetradecin-2,2′-pyrane]-5,11-dione is useful as reference Impurity standard.
    Erythromycin EP Impurity C ; Erythromycin E ; (2S,4aR,4′R,5′S,6′S,7R,8S,9R,10R,12R,14R,15R,16S)-7-Ethyl-5′,8,9,14-tetrahydroxy-4′-methoxy-4′,6′,8,10,12,14,16-heptamethyl-15-[[3,4,6-trideoxy-3-(dimethylamino)-β-D-xylo-hexopyranosyl]oxy]hexadecahydrospiro[5H,11H-1,3-dioxino[5,4c]oxacyclotetradecin-2,2′-pyrane]-5,11-dione
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    Product Name : Erythromycin EP Impurity B ;3″-N-DesmethylerythromycinA ; (3R,4S,5S,6R,7R,9R,11R,12R,13S,14R)-4-[(2,6-Dideoxy-3-C-methyl-3-O-methyl-α-L-ribo-hexopyranosyl)oxy]-14-ethyl-7,12,13-trihydroxy-3,5,7,9,11,13-hexamethyl-6-[[3,4,6-trideoxy-3-(methylamino)-β-D-xylohexopyranosyl]oxy]oxacyclotetradecane-2,10-dione | 992-62-1

    Code: JCERM-03
    CAS: 992-62-1
    Chemical Formula: C36H65NO13
    Molecular Weight: 719.9
    Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities
    Literature:
    Application: Erythromycin EP Impurity B ;3″-N-DesmethylerythromycinA ; (3R,4S,5S,6R,7R,9R,11R,12R,13S,14R)-4-[(2,6-Dideoxy-3-C-methyl-3-O-methyl-α-L-ribo-hexopyranosyl)oxy]-14-ethyl-7,12,13-trihydroxy-3,5,7,9,11,13-hexamethyl-6-[[3,4,6-trideoxy-3-(methylamino)-β-D-xylohexopyranosyl]oxy]oxacyclotetradecane-2,10-dione | 992-62-1 is useful as reference Impurity standard.
    Erythromycin EP Impurity B ;3″-N-DesmethylerythromycinA ; (3R,4S,5S,6R,7R,9R,11R,12R,13S,14R)-4-[(2,6-Dideoxy-3-C-methyl-3-O-methyl-α-L-ribo-hexopyranosyl)oxy]-14-ethyl-7,12,13-trihydroxy-3,5,7,9,11,13-hexamethyl-6-[[3,4,6-trideoxy-3-(methylamino)-β-D-xylohexopyranosyl]oxy]oxacyclotetradecane-2,10-dione | 992-62-1
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    Product Name : Erythromycin EP Impurity A ;Erythromycin F ; (3R,4S,5S,6R,7R,9R,11R,12R,13S,14R)-4-[(2,6-Dideoxy-3C-methyl-3-O-methyl-α-L-ribo-hexopyranosyl)oxy]-14-ethyl-7,12,13-trihydroxy-3-(hydroxymethyl)-5,7,9,11,13-pentamethyl-6-[[3,4,6-trideoxy-3-(dimethylamino)-β-D-xylo-hexopyranosyl]oxy] oxacyclotetradecane-2,10-dione

    Code: JCERM-02
    CAS: NA
    Chemical Formula: C37H67NO14
    Molecular Weight: 749.93
    Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities
    Literature:
    Application: Erythromycin EP Impurity A ;Erythromycin F ; (3R,4S,5S,6R,7R,9R,11R,12R,13S,14R)-4-[(2,6-Dideoxy-3C-methyl-3-O-methyl-α-L-ribo-hexopyranosyl)oxy]-14-ethyl-7,12,13-trihydroxy-3-(hydroxymethyl)-5,7,9,11,13-pentamethyl-6-[[3,4,6-trideoxy-3-(dimethylamino)-β-D-xylo-hexopyranosyl]oxy] oxacyclotetradecane-2,10-dione is useful as reference Impurity standard.
    Erythromycin EP Impurity A ;Erythromycin F ; (3R,4S,5S,6R,7R,9R,11R,12R,13S,14R)-4-[(2,6-Dideoxy-3C-methyl-3-O-methyl-α-L-ribo-hexopyranosyl)oxy]-14-ethyl-7,12,13-trihydroxy-3-(hydroxymethyl)-5,7,9,11,13-pentamethyl-6-[[3,4,6-trideoxy-3-(dimethylamino)-β-D-xylo-hexopyranosyl]oxy] oxacyclotetradecane-2,10-dione
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    Product Name : Erythromycin ;Erythromycin A ;(3R,4S,5S,6R,7R,9R,11R,12R,13S,14R)-4-[(2,6-Dideoxy-3-C-methyl-3-O-methyl-α-L-ribo-hexopyranosyl)oxy]-14-ethyl-7,12,13-trihydroxy-3,5,7,9,11,13-hexamethyl-6-[(3,4,6-trideoxy-3-dimethylamino-β-D-xylo-hexopyranosyl)-oxy]oxacyclotetradecane-2,10-dione | 114-07-8

    Code: JCERM-01
    CAS: 114-07-8
    Chemical Formula: C37H67NO13
    Molecular Weight: 733.93
    Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities
    Literature:
    Application: Erythromycin ;Erythromycin A ;(3R,4S,5S,6R,7R,9R,11R,12R,13S,14R)-4-[(2,6-Dideoxy-3-C-methyl-3-O-methyl-α-L-ribo-hexopyranosyl)oxy]-14-ethyl-7,12,13-trihydroxy-3,5,7,9,11,13-hexamethyl-6-[(3,4,6-trideoxy-3-dimethylamino-β-D-xylo-hexopyranosyl)-oxy]oxacyclotetradecane-2,10-dione | 114-07-8 is useful as reference Impurity standard.
    Erythromycin ;Erythromycin A ;(3R,4S,5S,6R,7R,9R,11R,12R,13S,14R)-4-[(2,6-Dideoxy-3-C-methyl-3-O-methyl-α-L-ribo-hexopyranosyl)oxy]-14-ethyl-7,12,13-trihydroxy-3,5,7,9,11,13-hexamethyl-6-[(3,4,6-trideoxy-3-dimethylamino-β-D-xylo-hexopyranosyl)-oxy]oxacyclotetradecane-2,10-dione | 114-07-8
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