Saxagliptin
![(S)-2-((1S,3S,5S)-3-carbamoyl-2-azabicyclo[3.1.0]hexan-2-yl)-1-((1R,3R,5R,7S)-3-hydroxyadamantan-1-yl)-2-oxoethan-1-aminium chloride](https://sympharma.com/wp-content/uploads/2024/07/sa1.jpg)
Amide impurity
CAS No. : NA
Molecular Formula: C18H28N3O3Cl
Molecular Weight : 369.8
Chemical Name : (S)-2-((1S,3S,5S)-3-carbamoyl-2-azabicyclo[3.1.0]hexan-2-yl)-1-((1R,3R,5R,7S)-3-hydroxyadamantan-1-yl)-2-oxoethan-1-aminium chloride
![tert-butyl ((S)-2-((1S,3S,5S)-3-cyano-2-azabicyclo[3.1.0]hexan-2-yl)-1-((1R,3R,5R,7S)-3-hydroxyadamantan-1-yl)-2-oxoethyl)carbamate](https://sympharma.com/wp-content/uploads/2024/07/sa2.jpg)
SGH-1
CAS No. : 709031-43-6
Molecular Formula: C23H33N3O4
Molecular Weight : 415.0
Chemical Name : tert-butyl ((S)-2-((1S,3S,5S)-3-cyano-2-azabicyclo[3.1.0]hexan-2-yl)-1-((1R,3R,5R,7S)-3-hydroxyadamantan-1-yl)-2-oxoethyl)carbamate
![tert-butyl((R-)-2-((1S,3S,5S)-3-cyano-2-azabicyclo[3.1.0]hexan-2-yl)-1-((1R,3S,5R,7S)-3-hydroxyadamantan-1-yl)-2-oxoethyl)carbamate](https://sympharma.com/wp-content/uploads/2024/07/sa3.jpg)
SGH-1 RS isomer
CAS No. : 1564266-92-7
Molecular Formula: C23H33N3O4
Molecular Weight : 415.53
Chemical Name : tert-butyl((R-)-2-((1S,3S,5S)-3-cyano-2-azabicyclo[3.1.0]hexan-2-yl)-1-((1R,3S,5R,7S)-3-hydroxyadamantan-1-yl)-2-oxoethyl)carbamate
![tert-butyl((S)-2-((1S,3S,5S)-3-cyano-2-azabicyclo[3.1.0]hexan-2-yl)-1-((1r,3R,5S,7S)-3,5-dihydroxyadamantan-1-yl)-2-oxoethyl)carbamate](https://sympharma.com/wp-content/uploads/2024/07/sa4.jpg)
SGH1 Dihydroxy Impurity
CAS No. : 862590-99-6
Molecular Formula: C23H33N3O5
Molecular Weight : 431.53
Chemical Name : tert-butyl((S)-2-((1S,3S,5S)-3-cyano-2-azabicyclo[3.1.0]hexan-2-yl)-1-((1r,3R,5S,7S)-3,5-dihydroxyadamantan-1-yl)-2-oxoethyl)carbamate

Dihydroxy impurity
CAS No. : 681282-72-4
Molecular Formula: C17H27NO6
Molecular Weight : 341.40
Chemical Name : (S)-2-((tert-butoxycarbonyl)amino)-2-((1r,3R,5S,7S)-3,5-dihydroxyadamantan-1-yl)acetic acid
![1S,3S,5S)-2-((S)-2-(adamantan-1-yl)-2-aminoacetyl)-2-azabicyclo[3.1.0]hexane-3-carbonitrile](https://sympharma.com/wp-content/uploads/2024/07/sa6.jpg)
SGH-2 deshydroxy impurity
CAS No. : NA
Molecular Formula: C18H25N3OHCl
Molecular Weight : 335.87
Chemical Name : 1S,3S,5S)-2-((S)-2-(adamantan-1-yl)-2-aminoacetyl)-2-azabicyclo[3.1.0]hexane-3-carbonitrile
![tert-butyl((S)-2-((1S,3S,5S)-3-carbamoyl-2-azabicyclo[3.1.0]hexan-2-yl)-1-((1R,3R,5S,7S)-3,5-dihydroxyadamantan-1-yl)-2-oxoethyl)carbamate](https://sympharma.com/wp-content/uploads/2024/07/sa7.jpg)
SAG-1 Dihydroxy impurity
CAS No. : NA
Molecular Formula: C23H35N3O6
Molecular Weight : 449.54
Chemical Name : tert-butyl((S)-2-((1S,3S,5S)-3-carbamoyl-2-azabicyclo[3.1.0]hexan-2-yl)-1-((1R,3R,5S,7S)-3,5-dihydroxyadamantan-1-yl)-2-oxoethyl)carbamate
![(S)-2-((1S,3S,5S)-3-carbamoyl-2-azabicyclo[3.1.0]hexan-2-yl)-1-((1R,3R,5R,7S)-3-hydroxyadamantan-1-yl)-2-oxoethan-1-aminium chloride](https://sympharma.com/wp-content/uploads/2024/07/sa8.jpg)
Cyclic amidine imp
CAS No. : 1194836-77-5
Molecular Formula: C18H25N3O2
Molecular Weight : 315.41
Chemical Name : (S)-2-((1S,3S,5S)-3-carbamoyl-2-azabicyclo[3.1.0]hexan-2-yl)-1-((1R,3R,5R,7S)-3-hydroxyadamantan-1-yl)-2-oxoethan-1-aminium chloride