西格列汀杂质23/西他列汀脱氟杂质4
Aliases Sitagliptin defluoro impurity 4;(3R)-3-[(1,1-dimethylethoxycarbonyl)amino]-4-(2,5-difluorophenyl)butanoic acid;SITAGLIPTIN DEFUORO IMPURITY 4;(3R)-3-[(tert-Butoxycarbonyl)amino]-4-(2,5-difluorophenyl)butanoic acid;(R)-b-(Boc-amino)-2,5-difluorobenzenebutanoic acid;DYAISPAQPPRCQC-LLVKDONJSA-N;(R)-beta-(Boc-amino)-2,5-difluorobenzenebutanoic acid;(R)-3-(tert-Butoxycarbonylamino)-4-(2,5-difluorophenyl)butyric acid;(3R)-3-[(1,1-dimethylethoxycarbonyl)amino]4-(2,5-difluorophenyl)butanoic acid 
CAS No. 486459-98-7 Product ID WDS4
Formula C15H19F2NO4  Weight 315.31  
EINECS No.   MDL No.  
MSDS
Mass spectrum
1H NMR
西格列汀杂质23/西他列汀脱氟杂质4