sitagliptin and its Impurities
Sitagliptin impurity B is also known as Defluoro Sitagliptin, an impurity of Sitagliptan, an dipeptidyl peptidase-4 (DPP-4) inhibitor for treatment of diabetes mellitus type 2. Reference standards of Sitagliptin API,and its pharmacopeial, non pharmacopeial impurities, and stable isotopes are listed below.

![(E)-1-(3-(Trifluoromethyl)-[1,2,4]triazolo[4,3-a]p PA 19 0481018](https://www.pharmaffiliates.com/pimages/PA190481018.jpg)
(E)-1-(3-(Trifluoromethyl)-[1,2,4]triazolo[4,3-a]pyrazin-7(8H)-yl)-4-(2,4,5-trifluorophenyl)but-2-en-1-one
(E)-1-(3-(Trifluoromethyl)-[1,2,4]triazolo[4,3-a]pyrazin-7(8H)-yl)-4-(2,4,5-trifluorophenyl)but-2-en-1-one
Catalogue No.:PA 19 0481018
CAS :
NA
Molecular Formula : C16H10F6N4O
Molecular Weight : 388.27


3-Amino-N-((R)-4-oxo-4-(3-(trifluoromethyl)-[1,2,4]triazolo[4,3-a]pyrazin-7(8H)-yl)-1-(2,4,5-trifluorophenyl)butan-2-yl)-4-(2,4,5-trifluorophenyl)butanamide
3-Amino-N-((R)-4-oxo-4-(3-(trifluoromethyl)-[1,2,4]triazolo[4,3-a]pyrazin-7(8H)-yl)-1-(2,4,5-trifluorophenyl)butan-2-yl)-4-(2,4,5-trifluorophenyl)butanamide
Catalogue No.:PA 19 0481019
CAS :
NA
Molecular Formula : C26H21F9N6O2
Molecular Weight : 620.48


(R)-3-Amino-N-((R)-4-oxo-4-(3-(trifluoromethyl)-5,6-dihydro-[1,2,4]triazolo[4,3-a]pyrazin-7(8H)-yl)-1-(2,4,5-trifluorophenyl)butan-2-yl)-4-(2,4,5-trifluorophenyl)butanamide
(R)-3-Amino-N-((R)-4-oxo-4-(3-(trifluoromethyl)-5,6-dihydro-[1,2,4]triazolo[4,3-a]pyrazin-7(8H)-yl)-1-(2,4,5-trifluorophenyl)butan-2-yl)-4-(2,4,5-trifluorophenyl)butanamide
Catalogue No.:PA 19 0481020
CAS :
2072867-07-1
Molecular Formula : C26H23F9N6O2
Molecular Weight : 622.5


(R)-3-Amino-4-(2,4-difluorophenyl)-1-(5,6-dihydro-[1,2,4]triazolo[4,3-a]pyrazin-7(8H)-yl)butan-1-one
(R)-3-Amino-4-(2,4-difluorophenyl)-1-(5,6-dihydro-[1,2,4]triazolo[4,3-a]pyrazin-7(8H)-yl)butan-1-one
Catalogue No.:PA 19 0481021
CAS :
NA
Molecular Formula : C15H17F2N5O
Molecular Weight : 321.33


(R)-3-Amino-4-(2,5-difluorophenyl)-1-(5,6-dihydro-[1,2,4]triazolo[4,3-a]pyrazin-7(8H)-yl)butan-1-one
(R)-3-Amino-4-(2,5-difluorophenyl)-1-(5,6-dihydro-[1,2,4]triazolo[4,3-a]pyrazin-7(8H)-yl)butan-1-one
Catalogue No.:PA 19 0481022
CAS :
NA
Molecular Formula : C15H17F2N5O
Molecular Weight : 321.33


(R)-3-Amino-1-(3-(trifluoromethyl)-5,6-dihydro-[1,2,4]triazolo[4,3-a]pyrazin-7(8H)-yl)-4-(2,3,6-trifluorophenyl)butan-1-one
(R)-3-Amino-1-(3-(trifluoromethyl)-5,6-dihydro-[1,2,4]triazolo[4,3-a]pyrazin-7(8H)-yl)-4-(2,3,6-trifluorophenyl)butan-1-one
Catalogue No.:PA 19 0481026
CAS :
945261-50-7
Molecular Formula : C16H15F6N5O
Molecular Weight : 407.32


Ttert-butyl (R)-(4-(1H-imidazol-1-yl)-4-oxo-1-(2,4,5-trifluorophenyl)butan-2-yl)carbamate
Ttert-butyl (R)-(4-(1H-imidazol-1-yl)-4-oxo-1-(2,4,5-trifluorophenyl)butan-2-yl)carbamate
Catalogue No.:PA 19 0481027
CAS :
1364122-90-6
Molecular Formula : C18H20F3N3O3
Molecular Weight : 383.37


2,6,9,13-Tetraazatetradecanedioic acid, 5,10-dioxo-3,12-bis[(2,4,5-trifluorophenyl)methyl]-, 1,14-bis(1,1-dimethylethyl) ester, (3R,12R)-
2,6,9,13-Tetraazatetradecanedioic acid, 5,10-dioxo-3,12-bis[(2,4,5-trifluorophenyl)methyl]-, 1,14-bis(1,1-dimethylethyl) ester, (3R,12R)-
Catalogue No.:PA 19 0481031
CAS :
1608492-11-0
Molecular Formula : C32H40F6N4O6
Molecular Weight : 690.68


(3R)-3-Amino-4-phenyl-1-(3-(trifluoromethyl)-5,6,8,8a-tetrahydro-[1,2,4]triazolo[4,3-a]pyrazin-7(3H)-yl)butan-1-one
(3R)-3-Amino-4-phenyl-1-(3-(trifluoromethyl)-5,6,8,8a-tetrahydro-[1,2,4]triazolo[4,3-a]pyrazin-7(3H)-yl)butan-1-one
Catalogue No.:PA 19 0481033
CAS :
NA
Molecular Formula : C16H20F3N5O
Molecular Weight : 355.37


(3R)-3-Amino-1-(3-methyl-5,6,8,8a-tetrahydro-[1,2,4]triazolo[4,3-a]pyrazin-7(3H)-yl)-4-(2,4,5-trifluorophenyl)butan-1-one
(3R)-3-Amino-1-(3-methyl-5,6,8,8a-tetrahydro-[1,2,4]triazolo[4,3-a]pyrazin-7(3H)-yl)-4-(2,4,5-trifluorophenyl)butan-1-one
Catalogue No.:PA 19 0481034
CAS :
NA
Molecular Formula : C16H20F3N5O
Molecular Weight : 355.37


(R,Z)-3-((4-Oxo-4-(3-(trifluoromethyl)-5,6-dihydro-[1,2,4]triazolo[4,3-a]pyrazin-7(8H)-yl)-1-(2,4,5-trifluorophenyl)butan-2-yl)amino)-1-(3-(trifluoromethyl)-5,6-dihydro-[1,2,4]triazolo[4,3-a]pyrazin-7(8H)-yl)-4-(2,4,5-trifluorophenyl)but-2-en-1-one
(R,Z)-3-((4-Oxo-4-(3-(trifluoromethyl)-5,6-dihydro-[1,2,4]triazolo[4,3-a]pyrazin-7(8H)-yl)-1-(2,4,5-trifluorophenyl)butan-2-yl)amino)-1-(3-(trifluoromethyl)-5,6-dihydro-[1,2,4]triazolo[4,3-a]pyrazin-7(8H)-yl)-4-(2,4,5-trifluorophenyl)but-2-en-1-one
Catalogue No.:PA 19 0481036
CAS :
2955636-26-5
Molecular Formula : C32H25F12N9O2
Molecular Weight : 795.59


(R)-3-Amino-1-(3-(trifluoromethyl)-5,6-dihydro-[1,2,4]triazolo[4,3-a]pyrazin-7(8H)-yl)-4-(2,3,5-trifluorophenyl)butan-1-one
(R)-3-Amino-1-(3-(trifluoromethyl)-5,6-dihydro-[1,2,4]triazolo[4,3-a]pyrazin-7(8H)-yl)-4-(2,3,5-trifluorophenyl)butan-1-one
Catalogue No.:PA 19 0481038
CAS :
945261-49-4
Molecular Formula : C16H15F6N5O
Molecular Weight : 407.32

![3-Amino-1-(3-(trifluoromethyl)-5,6-dihydro-[1,2,4] PA 19 0481041](https://www.pharmaffiliates.com/pimages/PA190481041.jpg)
3-Amino-1-(3-(trifluoromethyl)-5,6-dihydro-[1,2,4]triazolo[4,3-a]pyrazin-7(8H)-yl)-4-(2,4,5-trifluorophenyl)butan-1-one acetate
3-Amino-1-(3-(trifluoromethyl)-5,6-dihydro-[1,2,4]triazolo[4,3-a]pyrazin-7(8H)-yl)-4-(2,4,5-trifluorophenyl)butan-1-one acetate
Catalogue No.:PA 19 0481041
CAS :
2137530-88-0
Molecular Formula : C18H19F6N5O3
Molecular Weight : 467.37


(R)-3-(((S)-2-hydroxy-1-phenylethyl)amino)-1-(3-(trifluoromethyl)-5,6-dihydro-[1,2,4]triazolo[4,3-a]pyrazin-7(8H)-yl)-4-(2,4,5-trifluorophenyl)butan-1-one
(R)-3-(((S)-2-hydroxy-1-phenylethyl)amino)-1-(3-(trifluoromethyl)-5,6-dihydro-[1,2,4]triazolo[4,3-a]pyrazin-7(8H)-yl)-4-(2,4,5-trifluorophenyl)butan-1-one
Catalogue No.:PA 19 0481042
CAS :
1459759-18-2
Molecular Formula : C24H23F6N5O2
Molecular Weight : 527.47


(R,Z)-3-((1-phenylethyl)amino)-1-(3-(trifluoromethyl)-5,6-dihydro-[1,2,4]triazolo[4,3-a]pyrazin-7(8H)-yl)-4-(2,4,5-trifluorophenyl)but-2-en-1-one
(R,Z)-3-((1-phenylethyl)amino)-1-(3-(trifluoromethyl)-5,6-dihydro-[1,2,4]triazolo[4,3-a]pyrazin-7(8H)-yl)-4-(2,4,5-trifluorophenyl)but-2-en-1-one
Catalogue No.:PA 19 0481044
CAS :
1169707-29-2
Molecular Formula : C24H21F6N5O
Molecular Weight : 509.46


(R)-(4-oxo-4-(3-(Trifluoromethyl)-5,6-dihydro-[1,2,4]triazolo[4,3-a]pyrazin-7(8H)-yl)-1-(2,4,5-trifluorophenyl)butan-2-yl)carbamic Acid
(R)-(4-oxo-4-(3-(Trifluoromethyl)-5,6-dihydro-[1,2,4]triazolo[4,3-a]pyrazin-7(8H)-yl)-1-(2,4,5-trifluorophenyl)butan-2-yl)carbamic Acid
Catalogue No.:PA 19 0481045
CAS :
NA
Molecular Formula : C17H15F6N5O3
Molecular Weight : 451.33

![1-(3-(Trifluoromethyl)-5,6-dihydro-[1,2,4]triazolo PA 19 0481050](https://www.pharmaffiliates.com/pimages/PA190481050.jpg)
1-(3-(Trifluoromethyl)-5,6-dihydro-[1,2,4]triazolo[4,3-a]pyrazin-7(8H)-yl)-4-(2,4,5-trifluorophenyl)butan-1-one
1-(3-(Trifluoromethyl)-5,6-dihydro-[1,2,4]triazolo[4,3-a]pyrazin-7(8H)-yl)-4-(2,4,5-trifluorophenyl)butan-1-one
Catalogue No.:PA 19 0481050
CAS :
2409985-39-1
Molecular Formula : C16H14F6N4O
Molecular Weight : 392.31


3-Amino-4-(3,4-difluorophenyl)-1-(3-(trifluoromethyl)-5,6-dihydro-[1,2,4]triazolo[4,3-a]pyrazin-7(8H)-yl)butan-1-one Hydrochloride
3-Amino-4-(3,4-difluorophenyl)-1-(3-(trifluoromethyl)-5,6-dihydro-[1,2,4]triazolo[4,3-a]pyrazin-7(8H)-yl)butan-1-one Hydrochloride
Catalogue No.:PA 19 0481052
CAS :
NA
Molecular Formula : C16H17ClF5N5O
Molecular Weight : 425.79


(R)-3-((R)-3-(Tert-butoxycarbonylamino)-4-(2,4,5-trifluorophenyl)butanamido)-4-(2,4,5-trifluorophenyl)butanoic Acid
(R)-3-((R)-3-(Tert-butoxycarbonylamino)-4-(2,4,5-trifluorophenyl)butanamido)-4-(2,4,5-trifluorophenyl)butanoic Acid
Catalogue No.:PA 19 0481054
CAS :
2379621-81-3
Molecular Formula : C25H26F6N2O5
Molecular Weight : 548.48


3-Amino-4-(2,5-difluorophenyl)-1-(3-(trifluoromethyl)-5,6-dihydro-[1,2,4]triazolo[4,3-a]pyrazin-7(8H)-yl)butan-1-one
3-Amino-4-(2,5-difluorophenyl)-1-(3-(trifluoromethyl)-5,6-dihydro-[1,2,4]triazolo[4,3-a]pyrazin-7(8H)-yl)butan-1-one
Catalogue No.:PA 19 0481055
CAS :
1334244-32-4
Molecular Formula : C16H16F5N5O
Molecular Weight : 389.33


3-Amino-4-(2,4-difluorophenyl)-1-(3-(trifluoromethyl)-5,6-dihydro-[1,2,4]triazolo[4,3-a]pyrazin-7(8H)-yl)butan-1-one
3-Amino-4-(2,4-difluorophenyl)-1-(3-(trifluoromethyl)-5,6-dihydro-[1,2,4]triazolo[4,3-a]pyrazin-7(8H)-yl)butan-1-one
Catalogue No.:PA 19 0481056
CAS :
1334244-28-8
Molecular Formula : C16H16F5N5O
Molecular Weight : 389.33


Tert-butyl (4-oxo-4-(3-(trifluoromethyl)-5,6-dihydro-[1,2,4] triazolo[4,3-a]pyrazin-7(8H)-yl)-1-(2,4,5-trifluorophenyl)butan-2-yl)carbamate
Tert-butyl (4-oxo-4-(3-(trifluoromethyl)-5,6-dihydro-[1,2,4] triazolo[4,3-a]pyrazin-7(8H)-yl)-1-(2,4,5-trifluorophenyl)butan-2-yl)carbamate
Catalogue No.:PA 19 0481057
CAS :
1351498-23-1
Molecular Formula : C21H23F6N5O3
Molecular Weight : 507.44


Tert-Butyl ((R)-4-oxo-4-(((R)-4-oxo-4-(3-(trifluoromethyl)-5,6-dihydro-[1,2,4]triazolo[4,3-a]pyrazin-7(8H)-yl)-1-(2,4,5-trifluorophenyl)butan-2-yl)amino)-1-(2,4,5-trifluorophenyl)butan-2-yl)carbamate
Tert-Butyl ((R)-4-oxo-4-(((R)-4-oxo-4-(3-(trifluoromethyl)-5,6-dihydro-[1,2,4]triazolo[4,3-a]pyrazin-7(8H)-yl)-1-(2,4,5-trifluorophenyl)butan-2-yl)amino)-1-(2,4,5-trifluorophenyl)butan-2-yl)carbamate
Catalogue No.:PA 19 0481061
CAS :
2088771-62-2
Molecular Formula : C31H31F9N6O4
Molecular Weight : 722.61


(R)-3-Amino-4-(2-fluorophenyl)-1-(3-(trifluoromethyl)-5,6-dihydro-[1,2,4]triazolo[4,3-a]pyrazin-7(8H)-yl)butan-1-one
(R)-3-Amino-4-(2-fluorophenyl)-1-(3-(trifluoromethyl)-5,6-dihydro-[1,2,4]triazolo[4,3-a]pyrazin-7(8H)-yl)butan-1-one
Catalogue No.:PA 19 0481062
CAS :
945261-45-0
Molecular Formula : C16H17F4N5O
Molecular Weight : 371.34


(R)-3-Amino-4-(2-chlorophenyl)-1-(3-(trifluoromethyl)-5,6-dihydro-[1,2,4]triazolo[4,3-a]pyrazin-7(8H)-yl)butan-1-one
(R)-3-Amino-4-(2-chlorophenyl)-1-(3-(trifluoromethyl)-5,6-dihydro-[1,2,4]triazolo[4,3-a]pyrazin-7(8H)-yl)butan-1-one
Catalogue No.:PA 19 0481063
CAS :
945261-56-3
Molecular Formula : C16H17ClF3N5O
Molecular Weight : 387.79


(R)-3-Amino-4-(2,4-dichlorophenyl)-1-(3-(trifluoromethyl)-5,6-dihydro-[1,2,4]triazolo[4,3-a]pyrazin-7(8H)-yl)butan-1-one
(R)-3-Amino-4-(2,4-dichlorophenyl)-1-(3-(trifluoromethyl)-5,6-dihydro-[1,2,4]triazolo[4,3-a]pyrazin-7(8H)-yl)butan-1-one
Catalogue No.:PA 19 0481064
CAS :
945261-60-9
Molecular Formula : C16H16Cl2F3N5O
Molecular Weight : 422.23


(R)-1-(4-Oxo-4-(3-(trifluoromethyl)-5,6-dihydro-[1,2,4]triazolo[4,3-a]pyrazin-7(8H)-yl)-1-(2,4,5-trifluorophenyl)butan-2-yl)urea
(R)-1-(4-Oxo-4-(3-(trifluoromethyl)-5,6-dihydro-[1,2,4]triazolo[4,3-a]pyrazin-7(8H)-yl)-1-(2,4,5-trifluorophenyl)butan-2-yl)urea
Catalogue No.:PA 19 0481068
CAS :
NA
Molecular Formula : C17H16F6N6O2
Molecular Weight : 450.35


1-(4-Oxo-4-(3-(trifluoromethyl)-5,6-dihydro-[1,2,4]triazolo[4,3-a]pyrazin-7(8H)-yl)-1-(2,4,5-trifluorophenyl)butan-2-yl)urea
1-(4-Oxo-4-(3-(trifluoromethyl)-5,6-dihydro-[1,2,4]triazolo[4,3-a]pyrazin-7(8H)-yl)-1-(2,4,5-trifluorophenyl)butan-2-yl)urea
Catalogue No.:PA 19 0481069
CAS :
NA
Molecular Formula : C17H16F6N6O2
Molecular Weight : 450.35


Dimethyl ((R)-4-oxo-4-(3-(trifluoromethyl)-5,6-dihydro-[1,2,4]triazolo[4,3-a]pyrazin-7(8H)-yl)-1-(2,4,5-trifluorophenyl)butan-2-yl)aspartate
Dimethyl ((R)-4-oxo-4-(3-(trifluoromethyl)-5,6-dihydro-[1,2,4]triazolo[4,3-a]pyrazin-7(8H)-yl)-1-(2,4,5-trifluorophenyl)butan-2-yl)aspartate
Catalogue No.:PAI 19 009021
CAS :
NA
Molecular Formula : C22H23F6N5O
Molecular Weight : 551.45


4-(2,5-difluorophenyl)-1-(3-(trifluoromethyl)-5,6-dihydro-[1,2,4]triazolo[4,3-a]pyrazin-7(8H)-yl)butane-1,3-dione
4-(2,5-difluorophenyl)-1-(3-(trifluoromethyl)-5,6-dihydro-[1,2,4]triazolo[4,3-a]pyrazin-7(8H)-yl)butane-1,3-dione
Catalogue No.:PA 19 0481071
CAS :
764667-67-6
Molecular Formula : C16H13F5N4O2
Molecular Weight : 388.3


3-Nitroso-1-(3-(trifluoromethyl)-5,6-dihydro-[1,2,4]triazolo[4,3-a]pyrazin-7(8H)-yl)-4-(2,4,5-trifluorophenyl)butan-1-one
3-Nitroso-1-(3-(trifluoromethyl)-5,6-dihydro-[1,2,4]triazolo[4,3-a]pyrazin-7(8H)-yl)-4-(2,4,5-trifluorophenyl)butan-1-one
Catalogue No.:PA 19 0481072
CAS :
NA
Molecular Formula : C16H13F6N5O2
Molecular Weight : 421.3


3-Amino-4-(3,4-difluorophenyl)-1-(3-(trifluoromethyl)-5,6-dihydro-[1,2,4]triazolo[4,3-a]pyrazin-7(8H)-yl)butan-1-one
3-Amino-4-(3,4-difluorophenyl)-1-(3-(trifluoromethyl)-5,6-dihydro-[1,2,4]triazolo[4,3-a]pyrazin-7(8H)-yl)butan-1-one
Catalogue No.:PA 19 0481075
CAS :
1334244-24-4
Molecular Formula : C16H16F5N5O
Molecular Weight : 389.33


3-(Dimethylamino)-1-(3-(trifluoromethyl)-5,6-dihydro-[1,2,4]triazolo[4,3-a]pyrazin-7(8H)-yl)-4-(2,4,5-trifluorophenyl)butan-1-one
3-(Dimethylamino)-1-(3-(trifluoromethyl)-5,6-dihydro-[1,2,4]triazolo[4,3-a]pyrazin-7(8H)-yl)-4-(2,4,5-trifluorophenyl)butan-1-one
Catalogue No.:PAI 19 009023
CAS :
2762634-30-8
Molecular Formula : C18H19F6N5O
Molecular Weight : 435.37


(2R,3R,5S,6S)-2-(Acetoxymethyl)-6-(4-chloro-3-(4-(ethoxy-d5)benzyl)phenyl)tetrahydro-2H-pyran-3,4,5-triyl Triacetate
(2R,3R,5S,6S)-2-(Acetoxymethyl)-6-(4-chloro-3-(4-(ethoxy-d5)benzyl)phenyl)tetrahydro-2H-pyran-3,4,5-triyl Triacetate
Catalogue No.:PA STI 089430
CAS :
2714487-81-5
Molecular Formula : C29H28D5ClO10
Molecular Weight : 582.05

![3-(Trifluoromethyl)-5,6,7,8-tetrahydro-[1,2,4]tria PA STI 089492](https://www.pharmaffiliates.com/pimages/PASTI089492.jpg)
3-(Trifluoromethyl)-5,6,7,8-tetrahydro-[1,2,4]triazolo[4,3-a]pyrazine-5,5,6,6-d4 Hydrochloride
3-(Trifluoromethyl)-5,6,7,8-tetrahydro-[1,2,4]triazolo[4,3-a]pyrazine-5,5,6,6-d4 Hydrochloride
Catalogue No.:PA STI 089492
CAS :
NA
Molecular Formula : C6H4D4ClF3N4
Molecular Weight : 232.63


tert-Butyl (R)-(4-oxo-4-(3-(trifluoromethyl)-5,6-dihydro-[1,2,4]triazolo[4,3-a]pyrazin-7(8H)-yl-5,5,6,6-d4)-1-(2,4,5-trifluorophenyl)butan-2-yl)carbamate
tert-Butyl (R)-(4-oxo-4-(3-(trifluoromethyl)-5,6-dihydro-[1,2,4]triazolo[4,3-a]pyrazin-7(8H)-yl-5,5,6,6-d4)-1-(2,4,5-trifluorophenyl)butan-2-yl)carbamate
Catalogue No.:PA STI 089493
CAS :
NA
Molecular Formula : C21H19D4F6N5O3
Molecular Weight : 511.46

![tert-Butyl 3-(trifluoromethyl)-5,6-dihydro-[1,2,4] PAI 19 009026](https://www.pharmaffiliates.com/pimages/PAI19009026.jpg)
tert-Butyl 3-(trifluoromethyl)-5,6-dihydro-[1,2,4]triazolo[4,3-a]pyrazine-7(8H)-carboxylate
tert-Butyl 3-(trifluoromethyl)-5,6-dihydro-[1,2,4]triazolo[4,3-a]pyrazine-7(8H)-carboxylate
Catalogue No.:PAI 19 009026
CAS :
877402-43-2
Molecular Formula : C11H15F3N4O2
Molecular Weight : 292.26


tert-Butyl 8-oxo-3-(trifluoromethyl)-5,6-dihydro-[1,2,4]triazolo[4,3-a]pyrazine-7(8H)-carboxylate
tert-Butyl 8-oxo-3-(trifluoromethyl)-5,6-dihydro-[1,2,4]triazolo[4,3-a]pyrazine-7(8H)-carboxylate
Catalogue No.:PAI 19 009027
CAS :
877402-44-3
Molecular Formula : C11H13F3N4O3
Molecular Weight : 306.25


(R)-3-Amino-N-(2-(3-formyl-5-(trifluoromethyl)-4H-1,2,4-triazol-4-yl)ethyl)-4-(2,4,5-trifluorophenyl)butanamide
(R)-3-Amino-N-(2-(3-formyl-5-(trifluoromethyl)-4H-1,2,4-triazol-4-yl)ethyl)-4-(2,4,5-trifluorophenyl)butanamide
Catalogue No.:PA 19 0481077
CAS :
2689015-85-6
Molecular Formula : C16H15F6N5O2
Molecular Weight : 423.32


(Z)-3-(Hydroxyimino)-1-(3-(trifluoromethyl)-5,6-dihydro-[1,2,4]triazolo[4,3-a]pyrazin-7(8H)-yl)-4-(2,4,5-trifluorophenyl)butan-1-one
(Z)-3-(Hydroxyimino)-1-(3-(trifluoromethyl)-5,6-dihydro-[1,2,4]triazolo[4,3-a]pyrazin-7(8H)-yl)-4-(2,4,5-trifluorophenyl)butan-1-one
Catalogue No.:PA 19 0481079
CAS :
1253056-15-3
Molecular Formula : C16H13F6N5O2
Molecular Weight : 421.3


(R)-(R)-3-((tert-Butoxycarbonyl)amino)-4-(2,4,5-trifluorophenyl)butanoic N,N'-dicyclohexylcarbamimidic anhydride
(R)-(R)-3-((tert-Butoxycarbonyl)amino)-4-(2,4,5-trifluorophenyl)butanoic N,N'-dicyclohexylcarbamimidic anhydride
Catalogue No.:PA 19 0481086
CAS :
2072867-06-0
Molecular Formula : C28H40F3N3O4
Molecular Weight : 539.64

![2-(3-(Trifluoromethyl)-5,6-dihydro-[1,2,4]triazolo PA 19 0481089](https://www.pharmaffiliates.com/pimages/PA190481089.jpg)
2-(3-(Trifluoromethyl)-5,6-dihydro-[1,2,4]triazolo[4,3-a]pyrazin-7(8H)-yl)-N'-(2-(3-(trifluoromethyl)-5,6-dihydro-[1,2,4]triazolo[4,3-a]pyrazin-7(8H)-yl)acetyl)acetohydrazide
2-(3-(Trifluoromethyl)-5,6-dihydro-[1,2,4]triazolo[4,3-a]pyrazin-7(8H)-yl)-N'-(2-(3-(trifluoromethyl)-5,6-dihydro-[1,2,4]triazolo[4,3-a]pyrazin-7(8H)-yl)acetyl)acetohydrazide
Catalogue No.:PA 19 0481089
CAS :
NA
Molecular Formula : C16H18F6N10O2
Molecular Weight : 496.38


(R)-10-(2,4,5-Trifluorobenzyl)-3-(trifluoromethyl)-5,6,9,10-tetrahydro-8H-[1,2,4]triazolo[3',4':3,4]pyrazino[1,2-a]pyrimidin-8-one
(R)-10-(2,4,5-Trifluorobenzyl)-3-(trifluoromethyl)-5,6,9,10-tetrahydro-8H-[1,2,4]triazolo[3',4':3,4]pyrazino[1,2-a]pyrimidin-8-one
Catalogue No.:PA 19 0481094
CAS :
2821750-76-7
Molecular Formula : C16H11F6N5O
Molecular Weight : 403.29


4-(2-((tert-Butoxycarbonyl)amino)ethyl)-5-(trifluoromethyl)-4H-1,2,4-triazole-3-carboxylic Acid
4-(2-((tert-Butoxycarbonyl)amino)ethyl)-5-(trifluoromethyl)-4H-1,2,4-triazole-3-carboxylic Acid
Catalogue No.:PAI 19 009034
CAS :
NA
Molecular Formula : C11H15F3N4O4
Molecular Weight : 324.26


Methyl (S)-3-(((4-(2-aminoethyl)-5-(trifluoromethyl)-4H-1,2,4-triazole-3-carbonyl)oxy)amino)-4-(2,4,5-trifluorophenyl)butanoate
Methyl (S)-3-(((4-(2-aminoethyl)-5-(trifluoromethyl)-4H-1,2,4-triazole-3-carbonyl)oxy)amino)-4-(2,4,5-trifluorophenyl)butanoate
Catalogue No.:PAI 19 009035
CAS :
NA
Molecular Formula : C17H17F6N5O4
Molecular Weight : 469.34


Methyl (S)-3-(((4-(2-((tert-butoxycarbonyl)amino)ethyl)-5-(trifluoromethyl)-4H-1,2,4-triazole-3-carbonyl)oxy)amino)-4-(2,4,5-trifluorophenyl)butanoate
Methyl (S)-3-(((4-(2-((tert-butoxycarbonyl)amino)ethyl)-5-(trifluoromethyl)-4H-1,2,4-triazole-3-carbonyl)oxy)amino)-4-(2,4,5-trifluorophenyl)butanoate
Catalogue No.:PAI 19 009036
CAS :
NA
Molecular Formula : C22H25F6N5O6
Molecular Weight : 569.46