Erythromycin and Impurities
Erythromycin Impurity 9 (Cycloester Erythromycin Enol Ether)
CAS:58781-38-7
Formula:
C38H63NO13
Color and Shape:
White To Off-White Solid
Molecular weight:
741.92
Ref: 4Z-E-2045
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Erythromycin EP Impurity C (Erythromycin E)
CAS:41451-91-6
Formula:
C37H65NO14
Color and Shape:
Off-White Solid
Molecular weight:
747.92
Ref: 4Z-E-2016
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Ref: 4Z-E-2018
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Erythromycin EP Impurity D (Anhydroerythromycin A)
CAS:23893-13-2
Formula:
C37H65NO12
Color and Shape:
White To Off-White Solid
Molecular weight:
715.92
Ref: 4Z-E-2012
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Erythromycin EP Impurity J (Pseudoerythromycin A Hemiketal) (1S-Isomer)
CAS:105900-46-7
Formula:
C37H67NO13
Color and Shape:
Off-White Solid
Molecular weight:
733.94
Ref: 4Z-E-2023
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Erythromycin Ethylsuccinate-13C-d3
CAS:1264-62-6
Formula:
C4213CH72D3NO16
Color and Shape:
White To Off-White Solid
Molecular weight:
866.07
Ref: 4Z-E-2015
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Erythromycin EP Impurity L
CAS:127955-44-6
Formula:
C37H65NO14
Color and Shape:
White To Off-White Solid
Molecular weight:
747.92
Ref: 4Z-E-2033
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Erythromycin EP Impurity I (Erythralosamine)
CAS:546-57-6
Formula:
C29H49NO8
Color and Shape:
White To Off-White Solid
Molecular weight:
539.71
Ref: 4Z-E-2025
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Erythromycylamine-13C-d3 (Dirithromycin EP Impurity A-13C-d3)
CAS:26116-56-3
Formula:
CC36H67D3N2O12
Color and Shape:
White To Off-White Solid
Molecular weight:
738.98
Ref: 4Z-E-205
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Erythromycin (Roxithromycin EP Impurity A)
CAS:114-07-8
Formula:
C37H67NO13
Color and Shape:
White To Off-White Solid
Molecular weight:
733.94
Ref: 4Z-E-203
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Erythromycin A 9-Oxime (Z-Isomer)
CAS:134931-01-4
Formula:
C37H68N2O13
Color and Shape:
White To Off-White Solid
Molecular weight:
748.95
Ref: 4Z-E-2027
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Ref: 4Z-E-2061
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Erythromycin A (6,9-Imino Ether)
CAS:99290-97-8
Formula:
C37H66N2O12
Color and Shape:
White To Off-White Solid
Molecular weight:
730.94
Ref: 4Z-E-207
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Erythromycin Ethylsuccinate EP Impurity G
Formula:
C42H73NO16
Color and Shape:
White To Off-White Solid
Molecular weight:
848.04
Ref: 4Z-E-2030
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Erythromycin Impurity 2
Formula:
C37H66N2O14
Color and Shape:
White To Off-White Solid
Molecular weight:
762.94
Ref: 4Z-E-2048
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Ref: 4Z-E-2042
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Ref: 4Z-E-2068
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Erythromycin EP Impurity H (Erythromycin A N-Oxide)
CAS:992-65-4
Formula:
C37H67NO14
Color and Shape:
White To Off-White Solid
Molecular weight:
749.94
Ref: 4Z-E-2024
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Erythromycin Ethylsuccinate
CAS:1264-62-6
Formula:
C43H75NO16
Color and Shape:
White To Off-White Solid
Molecular weight:
862.06
Ref: 4Z-E-2040
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Ref: 4Z-E-2046
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