Micafungin Epimer Impurity

Chemical Name: Sodium 5-[(1S,2S)-2-{(2R,6S,9S,11R,12S,14aS,15S,16S,20S,23S,25aS)-20-[(R)-3-amino1-hydroxy-3-oxopropyl]-2,11,12,15-tetrahydroxy-6-[(R)-1-hydroxyethyl]-16-methyl5,8,14,19,22,25-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

Synonym: Micafungin Impurity H