Clarithromycin - Impurity P — Impurity Reference Standard
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Product Code: SSPC-C00259
CAS No.: 123967-58-8
Chemical Name: 4′,6-Di-O-methylerythromycin A
Synonyms: (3R,4S,5S,6R,7R,9R,11R,12R,13S,14R)-4-(((2R,4R,5S,6S)-4,5-Dimethoxy-4,6-dimethyltetrahydro-2H-pyran-2-yl)oxy)-6-(((2S,3R,4S,6R)-4-(dimethylamino)-3-hydroxy-6-methyltetrahydro-2H-pyran-2-yl)oxy)-14-ethyl-12,13-dihydroxy-7-methoxy-3,5,7,9,11,13-hexamethyloxacyclotetradecane-2,10-dione; 4'',6-Di-O-methylerythromycin; Oxacyclotetradecane, Erythromycin deriv.; 4'-O-Methylclarithromycin; USP Clarithromycin impurity P; 4',6-Di-O-methylerythromycin A ( as per USP);