saxagliptin and its Impurities
Saxagliptin is used as monotherapy or in combination with other drugs for the treatment of type 2 diabetes. It is an oral hypoglycemic SaxagliptinIt, it is sold under the brand name Onglyza.Reference standards of Saxagliptin API,and its pharmacopeial, non pharmacopeial impurities, and stable isotopes are listed below.


tert-Butyl ((1R)-2-((1S,3S,5S)-3-carbamoyl-2-azabicyclo[3.1.0]hexan-2-yl)-1-(3-hydroxyadamantan-1-yl)-2-oxoethyl)carbamate
tert-Butyl ((1R)-2-((1S,3S,5S)-3-carbamoyl-2-azabicyclo[3.1.0]hexan-2-yl)-1-(3-hydroxyadamantan-1-yl)-2-oxoethyl)carbamate
Catalogue No.:PAI 19 040022
CAS :
1528611-63-3
Molecular Formula : C23H35N3O5
Molecular Weight : 433.55


tert-Butyl ((1R)-2-((1S,3S,5S)-3-cyano-2-azabicyclo[3.1.0]hexan-2-yl)-1-(3-hydroxyadamantan-1-yl)-2-oxoethyl)carbamate
tert-Butyl ((1R)-2-((1S,3S,5S)-3-cyano-2-azabicyclo[3.1.0]hexan-2-yl)-1-(3-hydroxyadamantan-1-yl)-2-oxoethyl)carbamate
Catalogue No.:PAI 19 040023
CAS :
1564266-92-7
Molecular Formula : C23H33N3O4
Molecular Weight : 415.53


tert-Butyl ((1R)-2-((1R,3S,5R)-3-carbamoyl-2-azabicyclo[3.1.0]hexan-2-yl)-1-(3-hydroxyadamantan-1-yl)-2-oxoethyl)carbamate
tert-Butyl ((1R)-2-((1R,3S,5R)-3-carbamoyl-2-azabicyclo[3.1.0]hexan-2-yl)-1-(3-hydroxyadamantan-1-yl)-2-oxoethyl)carbamate
Catalogue No.:PAI 19 040024
CAS :
1564267-00-0
Molecular Formula : C23H35N3O5
Molecular Weight : 433.55


tert-Butyl ((1R)-2-((1R,3S,5R)-3-cyano-2-azabicyclo[3.1.0]hexan-2-yl)-1-(3-hydroxyadamantan-1-yl)-2-oxoethyl)carbamate
tert-Butyl ((1R)-2-((1R,3S,5R)-3-cyano-2-azabicyclo[3.1.0]hexan-2-yl)-1-(3-hydroxyadamantan-1-yl)-2-oxoethyl)carbamate
Catalogue No.:PAI 19 040025
CAS :
1564267-08-8
Molecular Formula : C23H33N3O4
Molecular Weight : 415.53


tert-Butyl ((1S)-2-((1R,3S,5R)-3-carbamoyl-2-azabicyclo[3.1.0]hexan-2-yl)-1-(3-hydroxyadamantan-1-yl)-2-oxoethyl)carbamate
tert-Butyl ((1S)-2-((1R,3S,5R)-3-carbamoyl-2-azabicyclo[3.1.0]hexan-2-yl)-1-(3-hydroxyadamantan-1-yl)-2-oxoethyl)carbamate
Catalogue No.:PAI 19 040026
CAS :
1564266-98-3
Molecular Formula : C23H35N3O5
Molecular Weight : 433.55


tert-Butyl ((1S)-2-((1R,3S,5R)-3-cyano-2-azabicyclo[3.1.0]hexan-2-yl)-1-(3-hydroxyadamantan-1-yl)-2-oxoethyl)carbamate
tert-Butyl ((1S)-2-((1R,3S,5R)-3-cyano-2-azabicyclo[3.1.0]hexan-2-yl)-1-(3-hydroxyadamantan-1-yl)-2-oxoethyl)carbamate
Catalogue No.:PAI 19 040027
CAS :
1564267-06-6
Molecular Formula : C23H33N3O4
Molecular Weight : 415.53


tert-Butyl ((1S)-1-(adamantan-1-yl)-2-((1S,3S,5S)-3-carbamoyl-2-azabicyclo[3.1.0]hexan-2-yl)-2-oxoethyl)carbamate
tert-Butyl ((1S)-1-(adamantan-1-yl)-2-((1S,3S,5S)-3-carbamoyl-2-azabicyclo[3.1.0]hexan-2-yl)-2-oxoethyl)carbamate
Catalogue No.:PAI 19 040029
CAS :
862784-24-5
Molecular Formula : C23H35N3O4
Molecular Weight : 417.55


tert-Butyl ((1S)-1-(adamantan-1-yl)-2-((1S,3S,5S)-3-cyano-2-azabicyclo[3.1.0]hexan-2-yl)-2-oxoethyl)carbamate
tert-Butyl ((1S)-1-(adamantan-1-yl)-2-((1S,3S,5S)-3-cyano-2-azabicyclo[3.1.0]hexan-2-yl)-2-oxoethyl)carbamate
Catalogue No.:PAI 19 040030
CAS :
862590-98-5
Molecular Formula : C23H33N3O3
Molecular Weight : 399.54


tert-Butyl ((1S)-2-((1R,3R,5R)-3-carbamoyl-2-azabicyclo[3.1.0]hexan-2-yl)-1-(3-hydroxyadamantan-1-yl)-2-oxoethyl)carbamate
tert-Butyl ((1S)-2-((1R,3R,5R)-3-carbamoyl-2-azabicyclo[3.1.0]hexan-2-yl)-1-(3-hydroxyadamantan-1-yl)-2-oxoethyl)carbamate
Catalogue No.:PAI 19 040031
CAS :
1564266-87-0
Molecular Formula : C23H35N3O5
Molecular Weight : 433.55


tert-Butyl ((1S)-2-((1R,3R,5R)-3-cyano-2-azabicyclo[3.1.0]hexan-2-yl)-1-(3-hydroxyadamantan-1-yl)-2-oxoethyl)carbamate
tert-Butyl ((1S)-2-((1R,3R,5R)-3-cyano-2-azabicyclo[3.1.0]hexan-2-yl)-1-(3-hydroxyadamantan-1-yl)-2-oxoethyl)carbamate
Catalogue No.:PAI 19 040032
CAS :
1564266-94-9
Molecular Formula : C23H33N3O4
Molecular Weight : 415.53


tert-Butyl ((1R)-2-((1R,3R,5R)-3-carbamoyl-2-azabicyclo[3.1.0]hexan-2-yl)-1-(3-hydroxyadamantan-1-yl)-2-oxoethyl)carbamate
tert-Butyl ((1R)-2-((1R,3R,5R)-3-carbamoyl-2-azabicyclo[3.1.0]hexan-2-yl)-1-(3-hydroxyadamantan-1-yl)-2-oxoethyl)carbamate
Catalogue No.:PAI 19 040033
CAS :
1564266-89-2
Molecular Formula : C23H35N3O5
Molecular Weight : 433.55


tert-Butyl ((1R)-2-((1R,3R,5R)-3-cyano-2-azabicyclo[3.1.0]hexan-2-yl)-1-(3-hydroxyadamantan-1-yl)-2-oxoethyl)carbamate
tert-Butyl ((1R)-2-((1R,3R,5R)-3-cyano-2-azabicyclo[3.1.0]hexan-2-yl)-1-(3-hydroxyadamantan-1-yl)-2-oxoethyl)carbamate
Catalogue No.:PAI 19 040034
CAS :
1564266-96-1
Molecular Formula : C23H33N3O4
Molecular Weight : 415.53


tert-Butyl ((1R)-2-((1S,3R,5S)-3-carbamoyl-2-azabicyclo[3.1.0]hexan-2-yl)-1-(3-hydroxyadamantan-1-yl)-2-oxoethyl)carbamate
tert-Butyl ((1R)-2-((1S,3R,5S)-3-carbamoyl-2-azabicyclo[3.1.0]hexan-2-yl)-1-(3-hydroxyadamantan-1-yl)-2-oxoethyl)carbamate
Catalogue No.:PAI 19 040035
CAS :
1564267-04-4
Molecular Formula : C23H35N3O5
Molecular Weight : 433.55


tert-Butyl ((1S)-2-((1S,3R,5S)-3-cyano-2-azabicyclo[3.1.0]hexan-2-yl)-1-(3-hydroxyadamantan-1-yl)-2-oxoethyl)carbamate
tert-Butyl ((1S)-2-((1S,3R,5S)-3-cyano-2-azabicyclo[3.1.0]hexan-2-yl)-1-(3-hydroxyadamantan-1-yl)-2-oxoethyl)carbamate
Catalogue No.:PAI 19 040036
CAS :
1564267-10-2
Molecular Formula : C23H33N3O4
Molecular Weight : 415.53


tert-Butyl ((1S)-2-((1S,3R,5S)-3-carbamoyl-2-azabicyclo[3.1.0]hexan-2-yl)-1-(3-hydroxyadamantan-1-yl)-2-oxoethyl)carbamate
tert-Butyl ((1S)-2-((1S,3R,5S)-3-carbamoyl-2-azabicyclo[3.1.0]hexan-2-yl)-1-(3-hydroxyadamantan-1-yl)-2-oxoethyl)carbamate
Catalogue No.:PAI 19 040037
CAS :
1564267-02-2
Molecular Formula : C23H35N3O5
Molecular Weight : 433.55


tert-Butyl ((1R)-2-((1S,3R,5S)-3-cyano-2-azabicyclo[3.1.0]hexan-2-yl)-1-(3-hydroxyadamantan-1-yl)-2-oxoethyl)carbamate
tert-Butyl ((1R)-2-((1S,3R,5S)-3-cyano-2-azabicyclo[3.1.0]hexan-2-yl)-1-(3-hydroxyadamantan-1-yl)-2-oxoethyl)carbamate
Catalogue No.:PAI 19 040038
CAS :
1564267-12-4
Molecular Formula : C23H33N3O4
Molecular Weight : 415.53