Fidaxomicin and its Impurities
Fidaxomicin is a macrolide antibiotic agent used in the treatment of diarrhea caused by Clostridium difficile. It is a narrow spectrum antibiotic which is also available in the name of Dificid and Dificlir.Reference standards of Fidaxomicin API, and its pharmacopeial, non pharmacopeial impurities, and stable isotopes are listed below.
(2R,3S,4S,5S,6R)-6-(((3E,5E,8S,9E,11S,12R,13E,15E,18S)-12-(((2R,3S,4R,5S)-3,4-Dihydroxy-5-(isobutyryloxy)-6,6-dimethyltetrahydro-2H-pyran-2-yl)oxy)-11-ethyl-8-hydroxy-18-((R)-1-hydroxyethyl)-9,13,15-trimethyl-2-oxooxacyclooctadeca-3,5,9,13,15-pentaen-3-yl)methoxy)-4-hydroxy-5-methoxy-2-methyltetrahydro-2H-pyran-3-yl 3,5-dichloro-2,4-dihydroxy-6-isopropylbenzoate
(2R,3S,4S,5S,6R)-6-(((3E,5E,8S,9E,11S,12R,13E,15E,18S)-12-(((2R,3S,4R,5S)-3,4-Dihydroxy-5-(isobutyryloxy)-6,6-dimethyltetrahydro-2H-pyran-2-yl)oxy)-11-ethyl-8-hydroxy-18-((R)-1-hydroxyethyl)-9,13,15-trimethyl-2-oxooxacyclooctadeca-3,5,9,13,15-pentaen-3-yl)methoxy)-4-hydroxy-5-methoxy-2-methyltetrahydro-2H-pyran-3-yl 3,5-dichloro-2,4-dihydroxy-6-isopropylbenzoate
Catalogue No.:PA 06 1521002
CAS :
NA
Molecular Formula : C53H76Cl2O18
Molecular Weight : 1072.07
(2R,3S,4S,5S,6R)-6-(((3E,5E,8S,9E,11S,12R,13E,15E,17S)-12-(((2R,3S,4R,5S)-3,4-Dihydroxy-5-(isobutyryloxy)-6,6-dimethyltetrahydro-2H-pyran-2-yl)oxy)-11-ethyl-8-hydroxy-17-((R)-1-hydroxyethyl)-9,13,15-trimethyl-2-oxooxacycloheptadeca-3,5,9,13,15-pentaen-3-yl)methoxy)-4-hydroxy-5-methoxy-2-methyltetrahydro-2H-pyran-3-yl 3,5-dichloro-2-ethyl-4,6-dihydroxybenzoate
(2R,3S,4S,5S,6R)-6-(((3E,5E,8S,9E,11S,12R,13E,15E,17S)-12-(((2R,3S,4R,5S)-3,4-Dihydroxy-5-(isobutyryloxy)-6,6-dimethyltetrahydro-2H-pyran-2-yl)oxy)-11-ethyl-8-hydroxy-17-((R)-1-hydroxyethyl)-9,13,15-trimethyl-2-oxooxacycloheptadeca-3,5,9,13,15-pentaen-3-yl)methoxy)-4-hydroxy-5-methoxy-2-methyltetrahydro-2H-pyran-3-yl 3,5-dichloro-2-ethyl-4,6-dihydroxybenzoate
Catalogue No.:PA 06 1521003
CAS :
NA
Molecular Formula : C51H72Cl2O18
Molecular Weight : 1044.02