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Specifications

12-O-Methyl Clarithromycin is a methylated impurity of the semi-synthetic macrolide antibiotic Clarithromycin. 12-O-Methyl Clarithromycin was shown to inhibit uptake of Clarithromycin into the lung cells.
Catalog #	016681
CAS Number	128940-83-0
Molecular Formula	C39H71NO13
Molecular Weight	761.98
Important Note	This product as supplied is intended for research use only, not for use in human, therapeutic or diagnostic applications without the expressed written authorization of United States Biological. Toxicity and Hazards: All products should be handled by qualified personnel only, trained in laboratory procedures.
Alternate names	6,12-Di-O-methylerythromycin; 6,12-Di-O-methylerythromycin A; Clarithromycin EP Impurity F;