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.
Fidaxomicin
Catalogue No.:PA 06 1520000
CAS :
Molecular Formula : C52H74Cl2O18
Molecular Weight : 1058.05
OP-1118
Catalogue No.:PA 06 1521000
Molecular Formula : C48H68Cl2O17
Molecular Weight : 987.96
Fidaxomicin-D7
Catalogue No.:PA STI 089150
Molecular Formula : C52H67D7Cl2O18
Molecular Weight : 1065.09
Oxacyclooctadecane, benzoic acid deriv.
Catalogue No.:PA 06 1521001
Molecular Formula : C51H72Cl2O18
Molecular Weight : 1044.02
(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
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
Catalogue No.:PA 06 1521003
Mono-Methylated Fidaxomicin
Catalogue No.:PA 06 1521004
Di-Methylated Fidaxomicin
Catalogue No.:PA 06 1521005
Molecular Formula : C54H78Cl2O18
Molecular Weight : 1086.1
Fidaxomicin Metabolite OP-1118
Catalogue No.:PA 06 1521006
(2S,3R,4R,5R,6S)-6-(((3E,5Z,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-18-((R)-1-hydroxyethyl)-9,13,15-trimethyl-2,8-dioxooxacyclooctadeca-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-methylbenzoate
Catalogue No.:PA 06 1521007
Molecular Formula : C51H70Cl2O18
Molecular Weight : 1042
(2S,3R,4R,5R,6S)-6-(((3E,5Z,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-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-ethyl-4,6-dihydroxybenzoate
Catalogue No.:PA 06 1521008
Molecular Formula : C52H74Cl2O17
Molecular Weight : 1042.05
Tiacumicin F
Catalogue No.:PA 06 1521009
(2R,3S,4S,5S,6R)-6-(((3E,5E,8S,9E,11S,12R,13E,15E,18S)-12-(((2R,3S,4S,5S)-4,5-Dihydroxy-3-(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-ethyl-4,6-dihydroxybenzoate
Catalogue No.:PA 06 1521010
6-(((3E,5E,9E,13E,15E)-12-((3,4-Dihydroxy-5-(isobutyryloxy)-6,6-dimethyltetrahydro-2H-pyran-2-yl)oxy)-11-ethyl-18-(1-hydroxyethyl)-9,13,15-trimethyl-2,8-dioxooxacyclooctadeca-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 1521011
Molecular Formula : C52H72Cl2O18
Molecular Weight : 1056.03
(2R,3S,4S,5S,6R)-6-(((3E,5E,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-18-((R)-1-hydroxyethyl)-9,13,15-trimethyl-2,8-dioxooxacyclooctadeca-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 1521012
(2R,3S,4S,5S,6R)-6-(((1S,4E,6E,9S,10E,12R,13E,15E,19R)-12-Ethyl-9-hydroxy-10,14,16,19-tetramethyl-3-oxo-2,18-dioxabicyclo[15.2.1]icosa-4,6,10,13,15-pentaen-4-yl)methoxy)-4-hydroxy-5-methoxy-2-methyltetrahydro-2H-pyran-3-yl 3,5-dichloro-2-ethyl-4,6-dihydroxybenzoate
Catalogue No.:PA 06 1521013
Molecular Formula : C41H54Cl2O12
Molecular Weight : 809.77
(2R,3S,4S,5S,6R)-6-(((3E,5E,8S,9E,11S,12R,13E,15E,18S)-11-Ethyl-8,12-dihydroxy-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-ethyl-4,6-dihydroxybenzoate
Catalogue No.:PA 06 1521014
Molecular Formula : C41H56Cl2O13
Molecular Weight : 827.79
(2R,3S,4S,5S,6R)-6-(((3E,5E,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-18-((R)-1-hydroxyethyl)-9,13,15-trimethyl-2,8-dioxooxacyclooctadeca-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-methylbenzoate
Catalogue No.:PA 06 1521015
(2R,3S,4S,5S,6R)-6-(((3E,5E,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-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-ethyl-4,6-dihydroxybenzoate
Catalogue No.:PA 06 1521016
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