Semaglutide α-Glu Impurity

NA

H-His-Aib-Glu-Gly-Thr-Phe-Thr-Ser-Asp-Val-Ser-Ser-Tyr-Leu-Glu-Gly-Gln-Ala-Ala-Lys(Oct-alpha-Glu-AEEA-AEEA)-Glu-Phe-lle-Ala-Trp-Leu-Val-Arg-Gly-Arg-Gly-OH; (5S,11S,14S,17S,20S,23S,26S,29S,32S,35S,38S,41S,44S,50S,53S,56S,59S,62S,65S,68S,71S,74S,77S,80S,86S)-20-((1H-indol-3-yl)methyl)-86-(2-((S)-2-amino-3-(1H-imidazol-4-yl)propanamido)-2-methylpropanamido)-44-(3-amino-3-oxopropyl)-29,77-dibenzyl-26-((S)-sec-butyl)-35-((S)-43-carboxy-25-(2-carboxyethyl)-6,15,27-trioxo-8,11,17,20-tetraoxa-5,14,23,26-tetraazatritetracontyl)-32,50-bis(2-carboxyethyl)-68-(carboxymethyl)-5,11-bis(3-guanidinopropyl)-56-(4-hydroxybenzyl)-74,80-bis((R)-1-hydroxyethyl)-59,62,71-tris(hydroxymethyl)-17,53-diisobutyl-14,65-diisopropyl-23,38,41-trimethyl-4,7,10,13,16,19,22,25,28,31,34,37,40,43,46,49,52,55,58,61,64,67,70,73,76,79,82,85-octacosaoxo-3,6,9,12,15,18,21,24,27,30,33,36,39,42,45,48,51,54,57,60,63,66,69,72,75,78,81,84-octacosaazanonaoctacontanedioic Acid;