His1-Semaglutide Immine Impurity

Chemical Name: (3S,9S,12S,15S,18S,21S,24S,27S,30S,33S,36S,39S,45S,48S,51S,54S,81R)-3-(2-((S)-3-(1H-imidazol-4-yl)-2-(methyleneamino)propanamido)-2-methylpropanamido)-54-(((6S,12S,15S,18S,21S,24S,27S,30S,33S)-21-((1H-indol-3-yl)methyl)-1-amino-30-benzyl-27-((S)-sec-butyl)-35-carboxy-6-((carboxymethyl)carbamoyl)-12-(3-guanidinopropyl)-1-imino-18-isobutyl-15-isopropyl-24-methyl-8,11,14,17,20,23,26,29,32-nonaoxo-2,7,10,13,16,19,22,25,28,31-decaazapentatriacontan-33-yl)carbamoyl)-45-(3-amino-3-oxopropyl)-12-benzyl-39-(2-carboxyethyl)-21-(carboxymethyl)-33-(4-hydroxybenzyl)-9,15-bis((R)-1-hydroxyethyl)-18,27,30-tris(hydroxymethyl)-36-isobutyl-24-isopropyl-48,51-dimethyl-4,7,10,13,16,19,22,25,28,31,34,37,40,43,46,49,52,60,69,78,83-henicosaoxo-62,65,71,74-tetraoxa-5,8,11,14,17,20,23,26,29,32,35,38,41,44,47,50,53,59,68,77,82-henicosaazanonanonacontane-1,81,99-tricarboxylic acid

Synonym: Semaglutide Fromaldehyde Schiff-base Impurity

Smile: O=C(CC[C@H](NC(C(NC([C@@H](N=C)CC1=CNC=N1)=O)(C)C)=O)C(NCC(N[C@@H]([C@H](O)C)C(N[C@@H](CC2=CC=CC=C2)C(N[C@@H]([C@H](O)C)C(N[C@@H](CO)C(N[C@@H](CC(O)=O)C(N[C@@H](C(C)C)C(N[C@@H](CO)C(N[C@@H](CO)C(N[C@@H](CC3=CC=C(O)C=C3)C(N[C@@H](CC(C)C)C(N[C@@H](CCC(O)=O)C(NCC(N[C@@H](CCC(N)=O)C(N[C@@H](C)C(N[C@@H](C)C(N[C@H](C(N[C@@H](CCC(O)=O)C(N[C@@H](CC4=CC=CC=C4)C(N[C@@H]([C@@H](C)CC)C(N[C@@H](C)C(N[C@@H](CC5=CNC6=C5C=CC=C6)C(N[C@@H](CC(C)C)C(N[C@@H](C(C)C)C(N[C@@H](CCCNC(N)=N)C(NCC(N[C@H](C(NCC(O)=O)=O)CCCNC(N)=N)=O)=O)=O)=O)=O)=O)=O)=O)=O)=O)CCCCNC(COCCOCCNC(COCCOCCNC(CC[C@H](C(O)=O)NC(CCCCCCCCCCCCCCCCC(O)=O)=O)=O)=O)=O)=O)=O)=O)=O)=O)=O)=O)=O)=O)=O)=O)=O)=O)=O)=O)=O)=O)O