Oxacyclotetradecane Erythromycin Derivatives

Also known as: (3R,4S,5S,6R,7R,9R,11S,12R,13S,14R,E)-6-(((2S,3R,4S,6R)-4-(Dimethylamino)-3-hydroxy-6-methyltetrahydro-2H-pyran-2-yl)oxy)-10-(((2-ethoxypropan-2-yl)oxy)imino)-14-ethyl-7,12,13-trihydroxy-4-(((2R,4R,5S,6S)-5-hydroxy-4-methoxy-4,6-dimethyltetrahydro-2H-pyran-2-yl)oxy)-3,5,7,9,11,13-hexamethyloxacyclotetradecan-2-one, Clarithromycin Impurity 40, Clarithromycin_EO, Erythromycin Impurity 61, Erythromycin, 9-[O-(1-ethoxy-1-methylethyl)oxime], Isatin Impurity 7 (7-Methylisatin)

Oxacyclotetradecane Erythromycin Derivatives (CAS 119665-77-9) is a compound in the Organic Compounds category listed in the Jingsj chemical database. It has the molecular formula C42H78N2O14 and a molecular weight of 835.1 g/mol. It is also known as (3R,4S,5S,6R,7R,9R,11S,12R,13S,14R,E)-6-(((2S,3R,4S,6R)-4-(Dimethylamino)-3-hydroxy-6-methyltetrahydro-2H-pyran-2-yl)oxy)-10-(((2-ethoxypropan-2-yl)oxy)imino)-14-ethyl-7,12,13-trihydroxy-4-(((2R,4R,5S,6S)-5-hydroxy-4-methoxy-4,6-dimethyltetrahydro-2H-pyran-2-yl)oxy)-3,5,7,9,11,13-hexamethyloxacyclotetradecan-2-one, Clarithromycin Impurity 40 and Clarithromycin_EO. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.

119665-77-9

Jingsj CID

J-1178726-2

Molecular Formula

C₄₂H₇₈N₂O₁₄

Molecular Weight

835.1 g/mol

Category

Organic Compounds

Last updated

8/21/2026