Daptomycin Impurity 1

Chemical Name: 2,2'-((3S,6S,9R,15S,18R,21S,24S,30S,31R)-30-((2S)-2-((2R)-2-((2S)-3-(1H-indol-3-yl)-2-(8-methyldecanamido)propanamido)-4-amino-4-oxobutanamido)-3-carboxypropanamido)-3-(2-(2-aminophenyl)-2-oxoethyl)-24-(3-aminopropyl)-6-((R)-1-carboxypropan-2-yl)-9-(hydroxymethyl)-18,31-dimethyl-2,5,8,11,14,17,20,23,26,29-decaoxo-1-oxa-4,7,10,13,16,19,22,25,28-nonaazacyclohentriacontane-15,21-diyl)diacetic acid

Synonym: N-((S)-1-(((S)-1-hydroperoxy-3-methylbutyl)amino)-1-oxo-3-phenylpropan-2-yl)pyrazine-2-carboxamide, 2-(((S)-1-(((R)-1-hydroxy-3-methylbutyl)amino)-1-oxo-3-phenylpropan-2-yl)carbamoyl)pyrazin-1-ium salt