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.
10-(2,4,5-Trifluorobenzyl)-3-(trifluoromethyl)-6,7,10,11-tetrahydro-[1,2,4]triazolo[3,4-c][1,4,7]triazecine-8,12(5H,9H)-dione
Catalogue No.:PA 19 0481002
CAS :
Molecular Formula : C16H13F6N5O2
Molecular Weight : 421.3
3,3'-Oxybis(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 0481004
Molecular Formula : C32H26F12N8O3
Molecular Weight : 798.59
1-(3-(Trifluoromethyl)-5,6-dihydro-[1,2,4]triazolo[4,3-a]pyrazin-7(8H)-yl)-4-(2,4,5-trifluorophenyl)but-3-en-1-one
Catalogue No.:PA 19 0481007
Molecular Formula : C16H12F6N4O
Molecular Weight : 390.29
(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
Molecular Formula : C26H23F9N6O2
Molecular Weight : 622.5
Ethyl (R)-3-amino-4-(2,4,5-trifluorophenyl)butanoate
Catalogue No.:PA 19 0481024
Molecular Formula : C12H14F3NO2
Molecular Weight : 261.24
N-Nitroso Sitagliptin Impurity
Catalogue No.:PA 19 0481047
Molecular Formula : C6H6F3N5O
Molecular Weight : 221.14
Sitagliptin Tablets EP Impurity FP-E (Sodium Salt)
Catalogue No.:PA 19 0481088
Molecular Formula : C10H9F3NNaO2
Molecular Weight : 255.17
Sitagliptin
Catalogue No.:PA 19 48000
Molecular Formula : C16H15F6N5O
Molecular Weight : 407.31
Sitagliptin S-Enantiomer
Catalogue No.:PA 19 48010
Sitagliptin Defluoro Impurity
Catalogue No.:PA 19 48020
Molecular Formula : C16H16F5N5O
Molecular Weight : 389.32
Sitagliptin 2,4-Difluoro Analogue
Catalogue No.:PA 19 48030
Sitagliptin Tablets EP Impurity FP-A
Catalogue No.:PA 19 48570
Molecular Formula : C20H19F6N5O5
Molecular Weight : 523.39
Sitagliptin Tablets EP Impurity FP-B
Catalogue No.:PA 19 48580
Molecular Weight : 421.30
Sitagliptin Tablets EP Impurity FP-C
Catalogue No.:PA 19 48590
Molecular Weight : 390.28
Sitagliptin Tablets EP Impurity FP-D
Catalogue No.:PA 19 48600
Sitagliptin Tablets EP Impurity FP-E
Catalogue No.:PA 19 48610
Molecular Formula : C10H10F3NO2
Molecular Weight : 233.19
2,5-Difluorophenylacetic Acid
Catalogue No.:PA 19 48620
Molecular Formula : C8H6F2O2
Molecular Weight : 172.13
3,4-Difluorophenylacetic Acid
Catalogue No.:PA 19 48630
2,4-Difluorobenzeneacetic Acid
Catalogue No.:PA 19 48640
Sitagliptin Triazole Hydrochloride
Catalogue No.:PA 19 48650
Molecular Formula : C6H8ClF3N4
Molecular Weight : 228.60
Sitagliptin Enamine Impurity
Catalogue No.:PA 19 48660
Molecular Formula : C16H13F6N5O
Molecular Weight : 405.3
Sitagliptin Ketoamide Impurity
Catalogue No.:PA 19 48670
Molecular Formula : C16H12F6N4O2
Molecular Weight : 406.28
(R)-3-((tert-Butoxycarbonyl)amino)-4-(2,4,5-trifluorophenyl)butanoic Acid
Catalogue No.:PA 19 48690
Molecular Formula : C15H18F3NO4
Molecular Weight : 333.3
(S)-Sitagliptin N-Boc-Acid Impurity
Catalogue No.:PA 19 48700
N-Boc-Sitagliptin
Catalogue No.:PA 19 48710
Molecular Formula : C21H23F6N5O3
Molecular Weight : 507.43
5-(Trifluoromethyl)-2-(chloromethyl)-1,3,4-oxadiazole
Catalogue No.:PA 19 48770
Molecular Formula : C4H2ClF3N2O
Molecular Weight : 186.52
3-(Trifluoromethyl)-6,7-dihydro-[1,2,4]triazolo[4,3-a]pyrazin-8(5H)-one
Catalogue No.:PA 19 48800
Molecular Formula : C6H5F3N4O
Molecular Weight : 206.13
3-Amino-4-(2,4,5-trifluorophenyl)butanoic Acid
Catalogue No.:PA 19 57510
2,3,6-Trifluorophenylacetic Acid
Catalogue No.:PA 19 48940
Molecular Formula : C8H5F3O2
Molecular Weight : 190.12
(3R)-3-Amino-4-(2,4,5-trifluorophenyl)butanoic Acid Hydrochloride
Catalogue No.:PA 19 48980
Molecular Formula : C10H11ClF3NO2
Molecular Weight : 269.65
(R)-Sitagliptin Methyl-Ester Impurity Hydrochloride Salt
Catalogue No.:PA 19 48990
Molecular Formula : C11H13ClF3NO2
Molecular Weight : 283.68
tert-Butyl (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)carbamate
Catalogue No.:PA 19 48595
Molecular Weight : 507.44
N-[(2Z)-Piperazin-2-ylidene]-2,2,2-trifluoroacetohydrazide
Catalogue No.:PA 19 48510
Molecular Formula : C6H9F3N4O
Molecular Weight : 210.16
2,2,2-Trifluoro-N'-(pyrazin-2-yl)acetohydrazide
Catalogue No.:PA 19 48520
3-(Trifluoromethyl)-[1,2,4]triazolo[4,3-a]pyrazine
Catalogue No.:PA 19 48530
Molecular Formula : C6H3F3N4
Molecular Weight : 188.11
1-(Pyrazin-2-yl)hydrazine
Catalogue No.:PA 19 48540
Molecular Formula : C4H6N4
Molecular Weight : 110.12
2,2,2-Trifluoro-N'-(2,2,2-trifluoroacetyl)acetohydrazide
Catalogue No.:PA 19 48550
Molecular Formula : C4H2F6N2O2
Molecular Weight : 224.06
2-(2,3,5-Trifluorophenyl)acetic Acid
Catalogue No.:PA 19 48560
3-Amino-4-(2,4,5-trifluorophenyl)butanoic Acid Hydrochloride
Catalogue No.:PA 19 48680
Trifluoroacetic Acid Hydrazide
Catalogue No.:PA 19 48720
Molecular Formula : C2H3F3N2O
Molecular Weight : 128.05
1-(Chloroacetyl)-2-(trifluoroacetyl)hydrazine
Catalogue No.:PA 19 48730
Molecular Formula : C4H4ClF3N2O2
Molecular Weight : 204.53
(2Z)-1-[5,6-Dihydro-3-(trifluoromethyl)-1,2,4-triazolo[4,3-a]pyrazin-7(8H)-yl]-4-(2,4,5-trifluorophenyl)-2-buten-1-one
Catalogue No.:PA 19 48740
2-(3-(Trifluoromethyl)-5,6,7,8-tetrahydro-[1,2,4]triazolo[4,3-a]pyridin-7-yl)acetohydrazide
Catalogue No.:PA 19 48750
Molecular Formula : C9H12F3N5O
Molecular Weight : 263.22
2-(3,4,5-Trifluorophenyl)acetic Acid
Catalogue No.:PA 19 48760
Methyl 3-acetamido-4-(2,4,5-trifluorophenyl)but-2-enoate
Catalogue No.:PA 19 48780
Molecular Formula : C13H12F3NO3
Molecular Weight : 287.23
(3R,3'R)-N,N'-(Ethane-1,2-diyl)bis(3-amino-4-(2,4,5-trifluorophenyl)butanamide)
Catalogue No.:PA 19 48790
Molecular Formula : C22H24F6N4O2
Molecular Weight : 490.44
(R,E)-3-Amino-N-(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)but-2-enamide
Catalogue No.:PA 19 48810
Molecular Formula : C26H21F9N6O2
Molecular Weight : 620.47
(R)-3-((tert-Butoxycarbonyl)amino)-4-(2,4-difluorophenyl)butanoic Acid
Catalogue No.:PA 19 48820
Molecular Formula : C15H19F2NO4
Molecular Weight : 315.31
(R)-3-((tert-Butoxycarbonyl)amino)-4-(2,5-difluorophenyl)butanoic Acid
Catalogue No.:PA 19 48830
(R)-3-((tert-Butoxycarbonyl)amino)-4-(3,4-difluorophenyl)butanoic Acid
Catalogue No.:PA 19 48840
Boc-D-β-homophenylalanine
Catalogue No.:PA 19 48850
Molecular Formula : C15H21NO4
Molecular Weight : 279.33
(R)-3-((tert-Butoxycarbonyl)amino)-4-(3-fluorophenyl)butanoic Acid
Catalogue No.:PA 19 48860
Molecular Formula : C15H20FNO4
Molecular Weight : 297.32
(R)-3-((tert-Butoxycarbonyl)amino)-4-(2-fluorophenyl)butanoic Acid
Catalogue No.:PA 19 48870
(R)-3-((tert-Butoxycarbonyl)amino)-4-(4-fluorophenyl)butanoic Acid
Catalogue No.:PA 19 48880
(S)-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 (2R,3R)-2,3-bis(benzoyloxy)succinate
Catalogue No.:PA 19 48890
Molecular Formula : C34H29F6N5O9
Molecular Weight : 765.61
Methyl 3-amino-4-(2,4,5-trifluorophenyl)butanoate
Catalogue No.:PA 19 57520
Molecular Formula : C11H12F3NO2
Molecular Weight : 247.21
N-Acetyl Sitagliptin-d3
Catalogue No.:PA STI 003510
Molecular Formula : C18H13D3F6N5O2
Molecular Weight : 452.37
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-one-d4
Catalogue No.:PA STI 070760
Molecular Formula : C16H8D4F6N4O2
Molecular Weight : 410.31
(2Z)-4-Oxo-4-[3-(trifluoromethyl)-5,6-dihydro-[1,2,4]triazolo[4,3-a]pyrazin -7(8H)-yl]-1-(2,4,5-trifluorophenyl)but-2-en-2-amine-d4
Catalogue No.:PA STI 070770
Molecular Formula : C16H9D4F6N5O
Molecular Weight : 409.32
Sitagliptin-d4 Phosphate
Catalogue No.:PA STI 079340
Molecular Formula : C16H14D4F6N5O5P
Molecular Weight : 509.33
Sitagliptin-d4
Catalogue No.:PA STI 079341
Molecular Formula : C16H11D4F6N5O
Molecular Weight : 411.34
ent-Sitagliptin-d4 Phosphate
Catalogue No.:PA STI 079350
5-(1-Hydroxy-2-(2,4,5-trifluorophenyl)ethylidene)-2,2-dimethyl-1,3-dioxane-4,6-dione
Catalogue No.:PAI 19 009010
Molecular Formula : C14H11F3O5
Molecular Weight : 316.23
(3R)-3-Amino-4-(2,3,6-trifluorophenyl)-1-[3-(trifluoromethyl)-5,6-dihydro[1,2,4] triazolo[4,3-a]pyrazin-7(8H)-yl]butan-1-one
Catalogue No.:PA 19 48900
Molecular Weight : 407.32
(3R)-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 48910
Molecular Weight : 389.33
2,4,5-Trifluorophenylacetic Acid
Catalogue No.:PA 19 48920
Methyl 3-Oxo-4-(2,4,5-trifluorophenyl)butanoate
Catalogue No.:PA 19 48930
Molecular Formula : C11H9F3O3
Molecular Weight : 246.19
2,4,6-Trifluorophenylacetic Acid
Catalogue No.:PA 19 48950
Sitagliptin containing impurity A (Y0001811)
Catalogue No.:PA EPY0001811
Molecular Formula : NA
Molecular Weight : NA
Sitagliptin phosphate monohydrate (Y0001812)
Catalogue No.:PA EPY0001812
Sitagliptin Phosphate (1612903)
Catalogue No.:PA USP1612903
Sitagliptin System Suitability Mixture (Sitagliptin Phosphate containing about 0.2% of S-enantiomer (1612914)
Catalogue No.:PA USP1612914
Sodium 1-(2,2-dimethyl-4,6-dioxo-1,3-dioxan-5-ylidene)-2-(2,4,5-trifluorophenyl)ethan-1-olate
Catalogue No.:PA 19 48515
Molecular Formula : C14H10F3NaO5
Molecular Weight : 338.21
Methyl (S)-3-((tert-butoxycarbonyl)amino)-4-((methylsulfonyl)oxy)butanoate
Catalogue No.:PA 19 48525
Molecular Formula : C11H21NO7S
Molecular Weight : 311.35
(R)-N-(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)formamide
Catalogue No.:PA 19 48535
Molecular Formula : C17H15F6N5O2
Molecular Weight : 435.33
(R)-7-(3-Amino-4-(2,4,5-trifluorophenyl)butanoyl)-3-(trifluoromethyl)-5,6,7,8-tetrahydro-[1,2,4]triazolo[4,3-a]pyrazine 2-oxide
Catalogue No.:PA 19 48960
Molecular Formula : C16H15F6N5O2
Molecular Weight : 423.32
(R)-7-(3-Amino-4-(2,4,5-trifluorophenyl)butanoyl)-3-(trifluoromethyl)-5,6,7,8-tetrahydro-[1,2,4]triazolo[4,3-a]pyrazine 1-oxide
Catalogue No.:PA 19 48970
1-(2,4,5-Trifluorophenyl)propan-2-amine
Catalogue No.:PA 19 48545
Molecular Formula : C9H10F3N
Molecular Weight : 189.18
7-(3-Amino-4-(2,4,5-trifluorophenyl)butanoyl)-3-(trifluoromethyl)-6,7-dihydro-[1,2,4]triazolo[4,3-a]pyrazin-8(5H)-one
Catalogue No.:PA 19 48555
(R)-Sitagliptin Methyl-Ester Impurity
Catalogue No.:PA 19 48565
Molecular Weight : 247.22
1-[5,6-Dihydro-3-(trifluoromethyl)-1,2,4-triazolo[4,3-a]pyrazin-7(8H)-yl]-3-hydroxy-4-(2,4,5-trifluorophenyl)-1-butanone
Catalogue No.:PAI 19 009020
Molecular Formula : C16H14F6N4O2
Molecular Weight : 408.30
(R)-7-(3-Amino-4-(2,3,5-trifluorophenyl)butanoyl)-3-(trifluoromethyl)-5,6,7,8-tetrahydro-[1,2,4]triazolo[4,3-a]pyrazine 1-Oxide
Catalogue No.:PA 19 48575
(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-(2,3,5-trifluorophenyl)butan-2-yl)-4-(2,3,5-trifluorophenyl)butanamide
Catalogue No.:PA 19 48585
Catalogue No.:PA 19 48605
N-(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)pivalamide
Catalogue No.:PA 19 48615
Molecular Formula : C21H23F6N5O2
Molecular Weight : 491.44
3-Amino-N-(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 48625
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
Catalogue No.:PA 19 48635
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 Phosphate Hydrate
Catalogue No.:PA 19 57530
Molecular Formula : C16H21F5N5O6P
Molecular Weight : 505.34
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 Phosphate Hydrate
Catalogue No.:PA 19 57540
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 Phosphate Hydrate
Catalogue No.:PA 19 57550
(R)-10-(2,4,5-Trifluorobenzyl)-3-(trifluoromethyl)-6,7,10,11-tetrahydro-[1,2,4]triazolo[3,4-c][1,4,7]triazecine-8,12(5H,9H)-dione
Catalogue No.:PA 19 0481000
N,N'-(Ethane-1,2-diyl)bis(3-amino-4-(2,4,5-trifluorophenyl)butanamide) Dihydrochloride
Catalogue No.:PA 19 0481001
Molecular Formula : C22H26Cl2F6N4O2
Molecular Weight : 563.37
2,3,4-Trifluorophenylacetic Acid
Catalogue No.:PA 19 0481003
Rac-Sitagliptin
Catalogue No.:PA 19 0481005
Sitagliptin System Suitability Mixture
Catalogue No.:PA 19 0481006
Molecular Formula : C16H18F6N5O5P
Molecular Weight : 505.31
(R)-N-(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)acetamide
Catalogue No.:PA 19 0481008
Molecular Formula : C18H17F6N5O2
Molecular Weight : 449.36
Methyl (R)-3-((tert-butoxycarbonyl)amino)-4-(2,4,5-trifluorophenyl)butanoate
Catalogue No.:PA 19 0481009
Molecular Formula : C16H20F3NO4
Molecular Weight : 347.33
(S)-2-(((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)-2-phenylacetamide
Catalogue No.:PA 19 0481010
Molecular Formula : C24H22F6N6O2
Molecular Weight : 540.47
(R)-4-Oxo-4-[3-(trifluoromethyl)-5,6-dihydro[1,2,4]triazolo[4,3-a]pyrazin-7(8H)-yl]-1-phenylbutan-2-amine
Catalogue No.:PA 19 0481011
Molecular Formula : C16H18F3N5O
Molecular Weight : 353.35
(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)sulfamic acid
Catalogue No.:PA 19 0481012
Molecular Formula : C16H15F6N5O4S
Molecular Weight : 487.38
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