Semaglutide and its Impurities
Semaglutide, sold under the brand name Ozempic among others, is an antidiabetic medication used for the treatment of type 2 diabetes and long-term weight management. Reference standards of Semaglutide API,and its pharmacopeial, non pharmacopeial impurities, and stable isotopes are listed below.
 
	
			                                   
																				(R)-13-(tert-Butoxycarbonyl)-34,34-dimethyl-10,15,32-trioxo-3,6,33-trioxa-9,14-diazapentatriacontanoic Acid
(R)-13-(tert-Butoxycarbonyl)-34,34-dimethyl-10,15,32-trioxo-3,6,33-trioxa-9,14-diazapentatriacontanoic Acid
- Catalogue No.:PA 19 1851020 
- CAS : - NA
- Molecular Formula : C37H68N2O10 
- Molecular Weight : 700.96 
 
	
			                                   
																				(R)-22-(tert-Butoxycarbonyl)-43,43-dimethyl-10,19,24,41-tetraoxo-3,6,12,15,42-pentaoxa-9,18,23-triazatetratetracontanoic Acid
(R)-22-(tert-Butoxycarbonyl)-43,43-dimethyl-10,19,24,41-tetraoxo-3,6,12,15,42-pentaoxa-9,18,23-triazatetratetracontanoic Acid
- Catalogue No.:PA 19 1851021 
- CAS : - NA
- Molecular Formula : C43H79N3O13 
- Molecular Weight : 846.11 
 
	
			                                   
																				tert-Butyl (R)-1-amino-22-(tert-butoxycarbonyl)-1,10,19,24-tetraoxo-3,6,12,15-tetraoxa-9,18,23-triazahentetracontan-41-oate
tert-Butyl (R)-1-amino-22-(tert-butoxycarbonyl)-1,10,19,24-tetraoxo-3,6,12,15-tetraoxa-9,18,23-triazahentetracontan-41-oate
- Catalogue No.:PA 19 1851022 
- CAS : - NA
- Molecular Formula : C43H80N4O12 
- Molecular Weight : 845.13 
 
	
			                                   
																				(R)-31-(tert-Butoxycarbonyl)-52,52-dimethyl-10,19,28,33,50-pentaoxo-3,6,12,15,21,24,51-heptaoxa-9,18,27,32-tetraazatripentacontanoic Acid
(R)-31-(tert-Butoxycarbonyl)-52,52-dimethyl-10,19,28,33,50-pentaoxo-3,6,12,15,21,24,51-heptaoxa-9,18,27,32-tetraazatripentacontanoic Acid
- Catalogue No.:PA 19 1851023 
- CAS : - NA
- Molecular Formula : C49H90N4O16 
- Molecular Weight : 991.27 
 
	
			                                   
																				(S)-(2-(2-(((Benzyloxy)carbonyl)amino)-2-methylpropanamido)-5-(tert-butoxy)-5-oxopentanoyl)glycine
(S)-(2-(2-(((Benzyloxy)carbonyl)amino)-2-methylpropanamido)-5-(tert-butoxy)-5-oxopentanoyl)glycine
- Catalogue No.:PA 19 1851025 
- CAS : - NA
- Molecular Formula : C23H33N3O8 
- Molecular Weight : 479.53 
 
	
			                                   
																				Methyl (6S,12S)-12-(3-(tert-butoxy)-3-oxopropyl)-2,2,9,9-tetramethyl-4,7,10,13-tetraoxo-6-((1-trityl-1H-imidazol-4-yl)methyl)-3-oxa-5,8,11,14-tetraazahexadecan-16-oate
Methyl (6S,12S)-12-(3-(tert-butoxy)-3-oxopropyl)-2,2,9,9-tetramethyl-4,7,10,13-tetraoxo-6-((1-trityl-1H-imidazol-4-yl)methyl)-3-oxa-5,8,11,14-tetraazahexadecan-16-oate
- Catalogue No.:PA 19 1851027 
- CAS : - NA
- Molecular Formula : C46H58N6O9 
- Molecular Weight : 839 
 
	
			                                   
																				(6S,12S)-12-(2-Carboxyethyl)-2,2,9,9-tetramethyl-4,7,10,13-tetraoxo-6-((1-trityl-1H-imidazol-4-yl)methyl)-3-oxa-5,8,11,14-tetraazahexadecan-16-oic Acid
(6S,12S)-12-(2-Carboxyethyl)-2,2,9,9-tetramethyl-4,7,10,13-tetraoxo-6-((1-trityl-1H-imidazol-4-yl)methyl)-3-oxa-5,8,11,14-tetraazahexadecan-16-oic Acid
- Catalogue No.:PA 19 1851028 
- CAS : - NA
- Molecular Formula : C41H48N6O9 
- Molecular Weight : 768.87 
 
	
			                                   
																				((S)-5-(tert-Butoxy)-2-(2-((S)-2-((tert-butoxycarbonyl)amino)-3-(1H-imidazol-4-yl)propanamido)-2-methylpropanamido)-5-oxopentanoyl)glycine
((S)-5-(tert-Butoxy)-2-(2-((S)-2-((tert-butoxycarbonyl)amino)-3-(1H-imidazol-4-yl)propanamido)-2-methylpropanamido)-5-oxopentanoyl)glycine
- Catalogue No.:PA 19 1851029 
- CAS : - 2377584-78-4
- Molecular Formula : C26H42N6O9 
- Molecular Weight : 582.66 
 
	
			                                   
																				((R)-5-(tert-Butoxy)-2-(2-((S)-2-((tert-butoxycarbonyl)amino)-3-(1-trityl-1H-imidazol-4-yl)propanamido)-2-methylpropanamido)-5-oxopentanoyl)glycine
((R)-5-(tert-Butoxy)-2-(2-((S)-2-((tert-butoxycarbonyl)amino)-3-(1-trityl-1H-imidazol-4-yl)propanamido)-2-methylpropanamido)-5-oxopentanoyl)glycine
- Catalogue No.:PA 19 1851030 
- CAS : - NA
- Molecular Formula : C45H56N6O9 
- Molecular Weight : 824.98 
 
	
			                                   
																				((S)-5-(tert-Butoxy)-2-(2-(2-((S)-2-((tert-butoxycarbonyl)amino)-3-(1-trityl-1H-imidazol-4-yl)propanamido)-2-methylpropanamido)-2-methylpropanamido)-5-oxopentanoyl)glycine
((S)-5-(tert-Butoxy)-2-(2-(2-((S)-2-((tert-butoxycarbonyl)amino)-3-(1-trityl-1H-imidazol-4-yl)propanamido)-2-methylpropanamido)-2-methylpropanamido)-5-oxopentanoyl)glycine
- Catalogue No.:PA 19 1851031 
- CAS : - NA
- Molecular Formula : C49H63N7O10 
- Molecular Weight : 910.08 
 
	
			                                   
																				tert-Butyl (S)-4-(((benzyloxy)carbonyl)amino)-5-((2-methoxy-2-oxoethyl)amino)-5-oxopentanoate
tert-Butyl (S)-4-(((benzyloxy)carbonyl)amino)-5-((2-methoxy-2-oxoethyl)amino)-5-oxopentanoate
- Catalogue No.:PAI 19 185001 
- CAS : - 63276-51-7
- Molecular Formula : C20H28N2O7 
- Molecular Weight : 408.45 
 
	
			                                   
																				Methyl (S)-8-(3-(tert-butoxy)-3-oxopropyl)-5,5-dimethyl-3,6,9-trioxo-1-phenyl-2-oxa-4,7,10-triazadodecan-12-oate
Methyl (S)-8-(3-(tert-butoxy)-3-oxopropyl)-5,5-dimethyl-3,6,9-trioxo-1-phenyl-2-oxa-4,7,10-triazadodecan-12-oate
- Catalogue No.:PAI 19 185002 
- CAS : - 2377584-75-1
- Molecular Formula : C24H35N3O8 
- Molecular Weight : 493.56 

 
																				 
																				 
																				 
																				 
																				![Des-[Gly]-31-Semaglutide PA 19 1851004](https://www.pharmaffiliates.com/pimages/PA191851004.jpg) 
																				 
																				 
																				![D-[Ser]-11-Semaglutide PA 19 1851007](https://www.pharmaffiliates.com/pimages/PA191851007.jpg) 
																				![D-[Val]-10-Semaglutide PA 19 1851008](https://www.pharmaffiliates.com/pimages/PA191851008.jpg) 
																				![D-[Asp]-9-Semaglutide PA 19 1851009](https://www.pharmaffiliates.com/pimages/PA191851009.jpg) 
																				![D-[Ser]-8-Semaglutide PA 19 1851010](https://www.pharmaffiliates.com/pimages/PA191851010.jpg) 
																				![D-[Phe]-6-Semaglutide PA 19 1851011](https://www.pharmaffiliates.com/pimages/PA191851011.jpg) 
																				![Des-[Oct-γ-Glu-AEEA-AEEA]-Semaglutide PA 19 1851014](https://www.pharmaffiliates.com/pimages/PA191851014.jpg) 
																				![Fragment-[3-31]-Semaglutide PA 19 1851015](https://www.pharmaffiliates.com/pimages/PA191851015.jpg) 
																				![[Glu]-17-Semaglutide PA 19 1851016](https://www.pharmaffiliates.com/pimages/PA191851016.jpg) 
																				 
																				 
																				 
																				 
																				 
																				 
																				 
																				![[D-Arg]30 Semaglutide PA 19 1851032](https://www.pharmaffiliates.com/pimages/PA191851032.jpg) 
																				 
																				 
																				 
																				 
																				 
																				 
																				 
																				 
																				 
																				 
																				 
																				 
																				 
																				![Fragment-[9-31]-Semaglutide PA 19 1851046](https://www.pharmaffiliates.com/pimages/PA191851046.jpg) 
																				 
																				 
																				![Fragment-[5-31]-Semaglutide PA 19 1851049](https://www.pharmaffiliates.com/pimages/PA191851049.jpg) 
																				 
																				 
																				 
																				 
																				 
																				 
																				 
																				 
																				 
																				 
																				![[4-31] -Semaglutide PA PEP 002547](https://www.pharmaffiliates.com/pimages/PAPEP002547.jpg) 
																				 
																				 
																				 
																				 
																				 
																				 
																				 
																				 
																				 
																				 
																				 
																				![[8-31]-Semaglutide PA PEP 003645](https://www.pharmaffiliates.com/pimages/PAPEP003645.jpg) 
																				![Anhydro-Des-[Oct-Gamma-Glu-AEEA-AEEA]-Semaglutide PA PEP 003927](https://www.pharmaffiliates.com/pimages/PAPEP003927.jpg) 
																				 
																				 
 
 
 
