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Pharmaceutical analytical standards

Active ingredients, pharmacopoeial impurities, metabolites, nitrosamines and labelled standards.

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Results 791-800 of 36,550

Sitagliptin Impurity 64

ImpurityLevels of characterisation
Cat. No.
P-S051-127
Formula
C10H8F3NO2
Family
Sitagliptin
Synonyms
(Z)-3-Amino-4-(2,4,5-trifluorophenyl)but-2-enoic acid

Sitagliptin Impurity 65

ImpurityLevels of characterisation
Cat. No.
P-S051-129
Formula
C15H17F2N5O
Family
Sitagliptin
Synonyms
(3R)-3-Amino-4-(2,4-difluorophenyl)-1-(6,8-dihydro-5H-[1,2,4]triazolo[4,3-a]pyrazin-7-yl)butan-1-one

Sitagliptin Impurity 69 Hydrochloride

ImpurityLevels of characterisation
Cat. No.
P-S051-133
Formula
C16H17F4N5O·HCl
Family
Sitagliptin
Synonyms
(3R)-3-Amino-4-(3-fluorophenyl)-1-[3-(trifluoromethyl)-6,8-dihydro-5H-[1,2,4]triazolo[4,3-a]pyrazin-7-yl]butan-1-one hydrochloride

Sitagliptin Impurity 70

ImpurityLevels of characterisation
Cat. No.
P-S051-134
Formula
C15H17F2N5O
Family
Sitagliptin
Synonyms
(3R)-3-Amino-4-(2,5-difluorophenyl)-1-(6,8-dihydro-5H-[1,2,4]triazolo[4,3-a]pyrazin-7-yl)butan-1-one

Sitagliptin Impurity 70 Dihydrochloride

ImpurityLevels of characterisation
Cat. No.
P-S051-135
Formula
C15H17F2N5O·2HCl
Family
Sitagliptin
Synonyms
(3R)-3-Amino-4-(2,5-difluorophenyl)-1-(6,8-dihydro-5H-[1,2,4]triazolo[4,3-a]pyrazin-7-yl)butan-1-one dihydrochloride

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