Micafungin and its Impurities
Micafungin is used to treat and prevent invasive fungal infections including candidemia, abscesses and esophageal candidiasis. It is an antifungal medication that fights infections caused by fungus.Reference standards of Micafungin API, and its pharmacopeial, non pharmacopeial impurities, and stable isotopes are listed below.


5-((1S,2S)-2-((2R,6S,9S,11R,12R,14aS,15S,20S,23S,25aS)-9-Amino-20-((R)-3-amino-1-hydroxy-3-oxopropyl)-2,11,12,15-tetrahydroxy-6-((R)-1-hydroxyethyl)-5,8,14,19,22,25-hexaoxotetracosahydro-1H-dipyrrolo[2,1-c:2',1'-l][1,4,7,10,13,16]hexaazacyclohenicosin-23-yl)-1,2-dihydroxyethyl)-2-hydroxyphenyl Hydrogen Sulfate
5-((1S,2S)-2-((2R,6S,9S,11R,12R,14aS,15S,20S,23S,25aS)-9-Amino-20-((R)-3-amino-1-hydroxy-3-oxopropyl)-2,11,12,15-tetrahydroxy-6-((R)-1-hydroxyethyl)-5,8,14,19,22,25-hexaoxotetracosahydro-1H-dipyrrolo[2,1-c:2',1'-l][1,4,7,10,13,16]hexaazacyclohenicosin-23-yl)-1,2-dihydroxyethyl)-2-hydroxyphenyl Hydrogen Sulfate
Catalogue No.:PA 13 1900001
CAS :
NA
Molecular Formula : C34H50N8O20S
Molecular Weight : 922.87


Sodium 5-((1S,2S)-2-((2R,6S,9S,11R,12S,14aR,15S,16S,20S,23S,25aR)-20-((R)-3-amino-1-hydroxy-3-oxopropyl)-2,11,12,15-tetrahydroxy-6-((R)-1-hydroxyethyl)-16-methyl-5,8,14,19,22,25-hexaoxo-9-(4-(5-(4-(pentyloxy)phenyl)isoxazol-3-yl)benzamido)tetracosahydro-1H-dipyrrolo[2,1-c:2',1'-l][1,4,7,10,13,16]hexaazacyclohenicosin-23-yl)-1,2-dihydroxyethyl)-2-hydroxyphenyl Sulfate
Sodium 5-((1S,2S)-2-((2R,6S,9S,11R,12S,14aR,15S,16S,20S,23S,25aR)-20-((R)-3-amino-1-hydroxy-3-oxopropyl)-2,11,12,15-tetrahydroxy-6-((R)-1-hydroxyethyl)-16-methyl-5,8,14,19,22,25-hexaoxo-9-(4-(5-(4-(pentyloxy)phenyl)isoxazol-3-yl)benzamido)tetracosahydro-1H-dipyrrolo[2,1-c:2',1'-l][1,4,7,10,13,16]hexaazacyclohenicosin-23-yl)-1,2-dihydroxyethyl)-2-hydroxyphenyl Sulfate
Catalogue No.:PA 13 1900003
CAS :
NA
Molecular Formula : C56H70N9NaO23S
Molecular Weight : 1292.27


Sodium 5-((1S,2S,3S)-4-(((2S,3R)-5-amino-1-((2S,3S,4S)-2-carbamoyl-3-hydroxy-4-methylpyrrolidin-1-yl)-3-hydroxy-1,5-dioxopentan-2-yl)amino)-3-((2S,4R)-1-(((2S,4R)-4,5-dihydroxy-1-(4-(5-(4-(pentyloxy)phenyl)isoxazol-3-yl)benzoyl)pyrrolidine-2-carbonyl)-L-threonyl)-4-hydroxypyrrolidine-2-carboxamido)-1,2-dihydroxy-4-oxobutyl)-2-hydroxyphenyl Sulfate
Sodium 5-((1S,2S,3S)-4-(((2S,3R)-5-amino-1-((2S,3S,4S)-2-carbamoyl-3-hydroxy-4-methylpyrrolidin-1-yl)-3-hydroxy-1,5-dioxopentan-2-yl)amino)-3-((2S,4R)-1-(((2S,4R)-4,5-dihydroxy-1-(4-(5-(4-(pentyloxy)phenyl)isoxazol-3-yl)benzoyl)pyrrolidine-2-carbonyl)-L-threonyl)-4-hydroxypyrrolidine-2-carboxamido)-1,2-dihydroxy-4-oxobutyl)-2-hydroxyphenyl Sulfate
Catalogue No.:PA 13 1900004
CAS :
NA
Molecular Formula : C56H70N9NaO23S
Molecular Weight : 1292.27


Sodium 5-((1S,2S)-2-((2R,6S,9S,11R,12S,14aS,15S,16S,20S,23S,25aR)-20-((R)-3-amino-1-hydroxy-3-oxopropyl)-2,11,12,15-tetrahydroxy-6-((R)-1-hydroxyethyl)-16-methyl-5,8,14,19,22,25-hexaoxo-9-(4-(5-(4-(pentyloxy)phenyl)isoxazol-3-yl)benzamido)tetracosahydro-1H-dipyrrolo[2,1-c:2',1'-l][1,4,7,10,13,16]hexaazacyclohenicosin-23-yl)-1,2-dihydroxyethyl)-2-hydroxyphenyl Sulfate
Sodium 5-((1S,2S)-2-((2R,6S,9S,11R,12S,14aS,15S,16S,20S,23S,25aR)-20-((R)-3-amino-1-hydroxy-3-oxopropyl)-2,11,12,15-tetrahydroxy-6-((R)-1-hydroxyethyl)-16-methyl-5,8,14,19,22,25-hexaoxo-9-(4-(5-(4-(pentyloxy)phenyl)isoxazol-3-yl)benzamido)tetracosahydro-1H-dipyrrolo[2,1-c:2',1'-l][1,4,7,10,13,16]hexaazacyclohenicosin-23-yl)-1,2-dihydroxyethyl)-2-hydroxyphenyl Sulfate
Catalogue No.:PA 13 1900005
CAS :
NA
Molecular Formula : C56H70N9NaO23S
Molecular Weight : 1292.27


rel-5-((2S)-2-((6S,23S)-9-Amino-20-(3-amino-1-hydroxy-3-oxopropyl)-2,11,12,15-tetrahydroxy-6-((R)-1-hydroxyethyl)-5,8,14,19,22,25-hexaoxotetracosahydro-1H-dipyrrolo[2,1-c:2',1'-l][1,4,7,10,13,16]hexaazacyclohenicosin-23-yl)-1,2-dihydroxyethyl)-2-hydroxyphenyl Hydrogen Sulfate
rel-5-((2S)-2-((6S,23S)-9-Amino-20-(3-amino-1-hydroxy-3-oxopropyl)-2,11,12,15-tetrahydroxy-6-((R)-1-hydroxyethyl)-5,8,14,19,22,25-hexaoxotetracosahydro-1H-dipyrrolo[2,1-c:2',1'-l][1,4,7,10,13,16]hexaazacyclohenicosin-23-yl)-1,2-dihydroxyethyl)-2-hydroxyphenyl Hydrogen Sulfate
Catalogue No.:PA 13 1900006
CAS :
208511-83-5
Molecular Formula : C34H50N8O20S
Molecular Weight : 922.87


3-((6S)-9-Amino-23-(2-(3,4-dihydroxyphenyl)-1,2-dihydroxyethyl)-2,11,12,15-tetrahydroxy-6-((R)-1-hydroxyethyl)-16-methyl-5,8,14,19,22,25-hexaoxotetracosahydro-1H-dipyrrolo[2,1-c:2',1'-l][1,4,7,10,13,16]hexaazacyclohenicosin-20-yl)-3-hydroxypropanamide
3-((6S)-9-Amino-23-(2-(3,4-dihydroxyphenyl)-1,2-dihydroxyethyl)-2,11,12,15-tetrahydroxy-6-((R)-1-hydroxyethyl)-16-methyl-5,8,14,19,22,25-hexaoxotetracosahydro-1H-dipyrrolo[2,1-c:2',1'-l][1,4,7,10,13,16]hexaazacyclohenicosin-20-yl)-3-hydroxypropanamide
Catalogue No.:PA 13 1900007
CAS :
454654-42-3
Molecular Formula : C35H52N8O17
Molecular Weight : 856.84


5-((1S,2S)-2-((2R,6S,9S,11R,12R,14aS,15S,16S,20S,23S,25aS)-20-((R)-3-Amino-1-hydroxy-3-oxopropyl)-2,11,12,15-tetrahydroxy-6-((R)-1-hydroxyethyl)-16-methyl-5,8,14,19,22,25-hexaoxo-9-(4-(3-(4-(pentyloxy)phenyl)isoxazol-5-yl)benzamido)tetracosahydro-1H-dipyrrolo[2,1-c:2',1'-l][1,4,7,10,13,16]hexaazacyclohenicosin-23-yl)-1,2-dihydroxyethyl)-2-hydroxyphenyl hydrogen sulfate, Sodium Salt
5-((1S,2S)-2-((2R,6S,9S,11R,12R,14aS,15S,16S,20S,23S,25aS)-20-((R)-3-Amino-1-hydroxy-3-oxopropyl)-2,11,12,15-tetrahydroxy-6-((R)-1-hydroxyethyl)-16-methyl-5,8,14,19,22,25-hexaoxo-9-(4-(3-(4-(pentyloxy)phenyl)isoxazol-5-yl)benzamido)tetracosahydro-1H-dipyrrolo[2,1-c:2',1'-l][1,4,7,10,13,16]hexaazacyclohenicosin-23-yl)-1,2-dihydroxyethyl)-2-hydroxyphenyl hydrogen sulfate, Sodium Salt
Catalogue No.:PA 13 1900008
CAS :
1686155-92-9
Molecular Formula : C56H71N9NaO23S
Molecular Weight : 1293.27