Clarithromycin EP Impurity F

克拉霉素EP杂质F

Also known as: 12-O-Methyl Clarithromycin, 6,12-Di-O-methylerythromycin A, Clarithromycin Impurity F (USP), Erythromycin, 6,12-di-O-methyl-, (3R,4S,5S,6R,7R,9R,11R,12R,13S,14R)-6-(((2S,3R,4S,6R)-4-(dimethylamino)-3-hydroxy-6-methyltetrahydro-2H-pyran-2-yl)oxy)-14-ethyl-12-hydroxy-4-(((2R,4R,5S,6S)-5-hydroxy-4-methoxy-4,6-dimethyltetrahydro-2H-pyran-2-yl)oxy)-7,13-dimethoxy-3,5,7,9,11,13-hexamethyloxacyclotetradecane-2,10-dione

Clarithromycin EP Impurity F (CAS 128940-83-0) is a compound in the Organic Compounds category listed in the Jingsj chemical database. It has the molecular formula C39H71NO13 and a molecular weight of 761.980 g/mol. It is also known as 12-O-Methyl Clarithromycin, 6,12-Di-O-methylerythromycin A and Clarithromycin Impurity F (USP). Key properties include a boiling point of 806.1±65.0 °C at 760 mmHg, a density of 1.2±0.1 g/cm3 and a flash point of 441.3±34.3 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.

128940-83-0

Jingsj CID

J-62154-8

Molecular Formula

C₃₉H₇₁NO₁₃

Chinese Name

克拉霉素EP杂质F

Molecular Weight

761.980 g/mol

Category

Organic Compounds

Last updated

8/21/2026