Impurity Standards

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N-Acetyl Sitagliptin

Product Code:
DH/SGN/1005
Molecular Formula:
C18H17F6N5O2
CAS Number:
1379666-94-0
Molecular Weight:
449.35
Synonyms: 7-[(3R)-3-[(N-Acetyl)Amino]-1-oxo-4-(2,4,5-trifluorophenyl)butyl]-5,6,7,8-tetrahydro-3-(trifluoromethyl)-1,2,4-triazolo[4,3-a]pyrazine;


Sitagliptin Triazole Impurity

Product Code:
DH/SGN/1006
Molecular Formula:
C6H7F3N4•HCl
CAS Number:
762240-92-6
Molecular Weight:
228.6
Synonyms: 3-(Trifluoromethyl)-5,6,7,8-tetrahydro-[1,2,4]triazolo[4,3-a]pyrazine Hydrochloride


Sitagliptin FP Impurity D

Product Code:
DH/SGN/1008
Molecular Formula:
C16H12F6N4O
CAS Number:
1253056-18-6
Molecular Weight:
390.28
Synonyms: (2E)-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.


Sitagliptin FP Impurity A

Product Code:
DH/SGN/1009
Molecular Formula:
C20H19F6N5O5
CAS Number:
2088771-60-0
Molecular Weight:
523.39
Synonyms: Sitagliptin Fumarate Adduct; Sitagliptin Maleate Adduct ; N-[(2R)-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]aspartic acid ;


SitagliptinTriazecine Analog

Product Code:
DH/SGN/1010
Molecular Formula:
C16H13F6N5O2
CAS Number:
2088771-61-1
Molecular Weight:
421.3
Synonyms: 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


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