Cas No:
114-07-8
Mol.Wt:
733.9 g/mol
M.F:
C37H67NO13
Chemical Name:
Impurities
Erythromycin Impurity B
(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-xylo-hexopyranosyl]oxy]oxacyclotetradecane-2,10-dione, Erythromycin Related Compound N ; 3″-N-Desmethylerythromycin A
Cas no:
992-62-1
Mol.Wt:
992-62-1
M.F:
C36H65NO13
White Powder
Erythromycin Impurity B
Cas No:
992-62-1
Erythromycin Impurity D
(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, Anhydroerthromycin A
Cas no:
23893-13-2
Mol.Wt:
23893-13-2
M.F:
C37H65NO12
Off-White to Pale Yellow Solid
Erythromycin Impurity D
Cas No:
23893-13-2
Erythromycin Impurity E
(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-xylo-hexopyranosyl]oxy]-6,15-dioxabicyclo[10.2.1]pentadec-1(14)-en-7-one, Erythromycin A Enol ether
Cas no:
33396-29-1
Mol.Wt:
33396-29-1
M.F:
C37H65NO12
White Powder
Erythromycin Impurity E
Cas No:
33396-29-1
Erythromycin Impurity F
15R,2R,3R,6R,7S,8S,9R)-7-[(2,6-dideoxy-3-C-methyl-3-O-methyl-α-L-ribo-hexopyranosyl)oxy]-3-[(2R,3R)-2,3-dihydroxypentan-2-yl]-13,15,2,6,8-pentamethyl-9-[[3,4,6-trideoxy-3-(dimethylamino)-β-D-xylo-hexopyranosyl]oxy]-14,15-dihydro-4-oxa-1(2,5)-furanacyclononaphan-5-one, pseudoerythromycin A enol ether
Cas no:
105882-69-7
Mol.Wt:
105882-69-7
M.F:
C37H65NO12
White Powder
Erythromycin Impurity F
Cas No:
105882-69-7
Erythromycin Impurity H
(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 N-oxide, Erythromycin A 3″-N-oxide, Erythromycin A N-oxide
Cas no:
992-65-4
Mol.Wt:
992-65-4
M.F:
C37H67NO14
White to off-white solid
Erythromycin Impurity H
Cas No:
992-65-4
Erythromycin Impurity L
(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-(formylmethylamino)-β-D-xylo-hexopyranosyl]oxy]oxacyclotetradecane-2,10-dione, 3″-N-demethyl-3″-N-formylerythromycin A, N-Desmethyl-N-formylerythromycin
Cas no:
127955-44-6
Mol.Wt:
127955-44-6
M.F:
C37H65NO14
White to off-white solid
Erythromycin Impurity L
Cas No:
127955-44-6
