N-Desmethyl-6-O-methylerythromycin (9E)-Oxime is a macrolide derivative used as a reference standard for quality control of clarithromycin. It is an impurity marker employed in the pharmaceutical industry to ensure the purity and identity of the active pharmaceutical ingredient.
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CAS 127182-43-8
N-Desmethylclarithromycin
active pharmaceutical ingredient
Sitafloxacin
active pharmaceutical ingredient
5-(2-Bromoethyl)-2,3-dihydrobenzofuran
pharmaceutical impurity reference standard
Balofloxacin
active pharmaceutical ingredient
Sivelestat
neutrophil elastase inhibitor
Erythromycin oxime
semi-synthetic macrolide antibiotic
(3R,4S,5S,6R,7R,9R,10E,11S,12R,13S,14R)-6-[(2S,3R,4S,6R)-4-(dimethylamino)-3-hydroxy-6-methyloxan-2-yl]oxy-14-ethyl-7,12,13-trihydroxy-10-hydroxyimino-4-[(2R,4R,5S,6S)-5-hydroxy-4-methoxy-4,6-dimethyloxan-2-yl]oxy-3,5,7,9,11,13-hexamethyl-oxacyclotetradecan-2-one
macrolide antibiotic precursor
Clarithromycin (9E)-O-Methyloxime
n.a
(3R,4S,5S,6R,7R,9R,10E,11S,12R,13S,14R)-14-ethyl-12,13-dihydroxy-10-hydroxyimino-4-[(2R,4R,5S,6S)-5-hydroxy-4-methoxy-4,6-dimethyloxan-2-yl]oxy-6-[(2S,3R,4S,6R)-3-hydroxy-6-methyl-4-(methylamino)oxan-2-yl]oxy-7-methoxy-3,5,7,9,11,13-hexamethyl-oxacyclotetradecan-2-one
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