vildagliptin and its Impurities
Vildagliptin is used in combination to treat Diabetes Mellitus Type 2. Vildagliptin is an oral anti-hyperglycemic agent. Reference standards of Vildagliptin API,and its pharmacopeial, non pharmacopeial impurities, and stable isotopes are listed below.

![(2S,2'S)-1,1'-[[(3-Hydroxytricyclo[3.3.1.13,7]dec- PA 22 17540](https://www.pharmaffiliates.com/pimages/PA2217540.jpg)
(2S,2'S)-1,1'-[[(3-Hydroxytricyclo[3.3.1.13,7]dec-1-yl)imino]bis(1-oxo-2,1-ethanediyl)]bis-2-pyrrolidinecarbonitrile
(2S,2'S)-1,1'-[[(3-Hydroxytricyclo[3.3.1.13,7]dec-1-yl)imino]bis(1-oxo-2,1-ethanediyl)]bis-2-pyrrolidinecarbonitrile
Catalogue No.:PA 22 17540
CAS :
1036959-23-5
Molecular Formula : C24H33N5O3
Molecular Weight : 439.55


(S)-1-((E)-2-(((1r,3R,5R,7S)-3-Hydroxyadamantan-1-yl)imino)acetyl)pyrrolidine-2-carbonitrile
(S)-1-((E)-2-(((1r,3R,5R,7S)-3-Hydroxyadamantan-1-yl)imino)acetyl)pyrrolidine-2-carbonitrile
Catalogue No.:PA 22 17600
CAS :
1846606-31-2
Molecular Formula : C17H23N3O2
Molecular Weight : 301.38


1-(5-((l2-Azanyl)carbonyl)-2,3-dihydro-1H-pyrrol-1-yl)-2-((3-hydroxyadamantan-1-yl)amino)ethan-1-one
1-(5-((l2-Azanyl)carbonyl)-2,3-dihydro-1H-pyrrol-1-yl)-2-((3-hydroxyadamantan-1-yl)amino)ethan-1-one
Catalogue No.:PA 22 17630
CAS :
NA
Molecular Formula : C17H24N3O3
Molecular Weight : 318.4


(S)-2-((1r,3R,5R,7S)-3-Hydroxyadamantan-1-yl)-1-iminohexahydropyrrolo[1,2-a]pyrazin-4(1H)-one
(S)-2-((1r,3R,5R,7S)-3-Hydroxyadamantan-1-yl)-1-iminohexahydropyrrolo[1,2-a]pyrazin-4(1H)-one
Catalogue No.:PA 22 17800
CAS :
1710765-32-4
Molecular Formula : C17H25N3O2
Molecular Weight : 303.41


((1r,3R,5R,7S)-3-Hydroxyadamantan-1-yl)glycyl-L-proline compound with 2,2,2-Trifluoroacetic Acid (1:1)
((1r,3R,5R,7S)-3-Hydroxyadamantan-1-yl)glycyl-L-proline compound with 2,2,2-Trifluoroacetic Acid (1:1)
Catalogue No.:PA 22 0171000
CAS :
565453-41-0
Molecular Formula : C19H27F3N2O6
Molecular Weight : 436.43

![(2S)-1-[2-[(3-Hydroxytricyclo[3.3.1.13,7]dec-1-yl) PA 22 0171019](https://www.pharmaffiliates.com/pimages/PA220171019.jpg)
(2S)-1-[2-[(3-Hydroxytricyclo[3.3.1.13,7]dec-1-yl)amino]acetyl]-2-pyrrolidine carboxylic acid lithium salt
(2S)-1-[2-[(3-Hydroxytricyclo[3.3.1.13,7]dec-1-yl)amino]acetyl]-2-pyrrolidine carboxylic acid lithium salt
Catalogue No.:PA 22 0171019
CAS :
NA
Molecular Formula : C17H25LiN2O4
Molecular Weight : 328.34


2-((S)-1-(((1r,3R,5R,7S)-3-Hydroxyadamantan-1-yl)glycyl)pyrrolidin-2-yl)-4,5-dihydrothiazole-4-carboxylic Acid
2-((S)-1-(((1r,3R,5R,7S)-3-Hydroxyadamantan-1-yl)glycyl)pyrrolidin-2-yl)-4,5-dihydrothiazole-4-carboxylic Acid
Catalogue No.:PA 22 0171026
CAS :
2380224-94-0
Molecular Formula : C20H29N3O4S
Molecular Weight : 407.53


(1R)-2-((2S)-2-Amino-2-((1r,5R,7S)-3-hydroxyadamantan-1-yl)acetyl)cyclopent-3-ene-1-carboxamide
(1R)-2-((2S)-2-Amino-2-((1r,5R,7S)-3-hydroxyadamantan-1-yl)acetyl)cyclopent-3-ene-1-carboxamide
Catalogue No.:PA 22 0171028
CAS :
NA
Molecular Formula : C18H26N2O3
Molecular Weight : 318.42


(2S,2'S)-1,1'-(2,2'-(Adamantane-1,3-diylbis(azanediyl))bis(acetyl))bis(pyrrolidine-2-carbonitrile)
(2S,2'S)-1,1'-(2,2'-(Adamantane-1,3-diylbis(azanediyl))bis(acetyl))bis(pyrrolidine-2-carbonitrile)
Catalogue No.:PA 22 0171033
CAS :
875314-89-9
Molecular Formula : C24H34N6O2
Molecular Weight : 438.58


(2S)-1-((3-(2-((S)-2-Cyanopyrrolidin-1-yl)-2-oxoethoxy)adamantan-1-yl)glycyl)pyrrolidine-2-carbonitrile
(2S)-1-((3-(2-((S)-2-Cyanopyrrolidin-1-yl)-2-oxoethoxy)adamantan-1-yl)glycyl)pyrrolidine-2-carbonitrile
Catalogue No.:PA 22 0171034
CAS :
NA
Molecular Formula : C24H33N5O3
Molecular Weight : 439.56


2-(3-Hydroxyadamantan-1-yl)-1-iminohexahydropyrrolo[1,2-a]pyrazin-4(1H)-one Hydrochloride
2-(3-Hydroxyadamantan-1-yl)-1-iminohexahydropyrrolo[1,2-a]pyrazin-4(1H)-one Hydrochloride
Catalogue No.:PA 22 0171035
CAS :
2663700-61-4
Molecular Formula : C17H26ClN3O2
Molecular Weight : 339.86


N-(2-((S)-2-Cyanopyrrolidin-1-yl)-2-oxoethyl)-N-((1R,3S,5R)-3-hydroxyadamantan-1-yl)nitrous amide
N-(2-((S)-2-Cyanopyrrolidin-1-yl)-2-oxoethyl)-N-((1R,3S,5R)-3-hydroxyadamantan-1-yl)nitrous amide
Catalogue No.:PA 22 0171041
CAS :
NA
Molecular Formula : C17H24N4O3
Molecular Weight : 332.4