Sitagliptin Impurity 21

S1121
Sitagliptin Impurity 21
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Catalogue Number: S1121
Compound Name: Sitagliptin Impurity 21
Synonyms: (R)-3-((tert-butoxycarbonyl)amino)-4-(2,4-difluorophenyl)butanoic acid
Molecular Weight: 315.32
Molecular Formula: C15H19F2NO4
CAS Number: 851307-12-5