Afamelanotide - API Standards

75921-69-6

(4S)-4-{[(1S)-1-{[(1R)-1-{[(1S)-1-{[(1S)-1-[({[(2S)-6-amino-1-[(2S)-2-{[(1S)-1-carbamoyl-2-methylpropyl]carbamoyl}pyrrolidin-1-yl]-1-oxohexan-2-yl]carbamoyl}methyl)carbamoyl]-2-(1H-indol-3-yl)ethyl]carbamoyl}-4-carbamimidamidobutyl]carbamoyl}-2-phenylethyl]carbamoyl}-2-(1H-imidazol-5-yl)ethyl]carbamoyl}-4-[(2S)-2-[(2S)-2-[(2S)-2-[(2S)-2-acetamido-3-hydroxypropanamido]-3-(4-hydroxyphenyl)propanamido]-3-hydroxypropanamido]hexanamido]butanoic Acid; (4S,7S,10R,13S,16S,22S)-7-((1H-imidazol-5-yl)methyl)-16-((1H-indol-3-yl)methyl)-26-amino-22-((S)-2-(((S)-1-amino-3-methyl-1-oxobutan-2-yl)carbamoyl)pyrrolidine-1-carbonyl)-10-benzyl-4-((2S,5S,8S,11S)-2-butyl-8-(4-hydroxybenzyl)-5,11-bis(hydroxymethyl)-4,7,10,13-tetraoxo-3,6,9,12-tetraazatetradecanamido)-13-(3-guanidinopropyl)-5,8,11,14,17,20-hexaoxo-6,9,12,15,18,21-hexaazahexacosanoic Acid;