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Erythromycin EP Impurity D

Product Code:
DH/ERM/1004
Molecular Formula:
C37H65NO12
CAS Number:
23893-13-2
Molecular Weight:
715.91
Synonyms: (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 ;Anhydroerythromycin A


Erythromycin EP Impurity E

Product Code:
DH/ERM/1005
Molecular Formula:
C37H65NO12
CAS Number:
33396-29-1
Molecular Weight:
715.91
Synonyms: (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 ;Erythromycin A Enol Ether


Erythromycin EP Impurity F

Product Code:
DH/ERM/1006
Molecular Formula:
C37H65NO12
CAS Number:
105882-69-7
Molecular Weight:
715.91
Synonyms: : (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 ;Pseudoerythromycin A Enol Ether


Erythromycin EP Impurity H

Product Code:
DH/ERM/1007
Molecular Formula:
C37H67NO14
CAS Number:
992-65-4
Molecular Weight:
749.93
Synonyms: (3R,4S,5S,6R,7R,9R,11R,12R,13S,14R)-4-[(2,6-Dideoxy-3-C-methyl-3-O-methyl-a-L-ribo-hexopyranosyl)oxy]-14-ethyl-7,12,13-trihydroxy-3,5,7,9,11,13-hexamethyl-6-[[3,4,6-trideoxy-3-(dimethylamino)-ß-D-xylohexopyranosyl]oxy]oxacyclotetradecane-2,10-dione N-oxide ;Erythromycin A N-oxide


Erythromycin EP Impurity I

Product Code:
DH/ERM/1008
Molecular Formula:
C29H49NO8
CAS Number:
546-57-6
Molecular Weight:
539.7
Synonyms: (1S,4S,5R,8R,9S,10S,11R,12R,14R)-5-Ethyl-9-hydroxy-2,4,8,10,12,14-hexamethyl-11-[[3,4,6-trideoxy-3-(dimethylamino)-ß-D-xylo-hexopyranosyl]oxy]-6,15,16-trioxatricyclo[10.2.1.11,4]hexadec-2-en-7-one ;Erythralosamine


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