Sitagliptin EP Impurity B

西他列汀EP杂质B

Also known as: (3R)-3-Amino-4-(2,5-difluorophenyl)-1-[3-(trifluoromethyl)-5,6-dihydro[1,2,4]triazolo[4,3-a]pyrazin-7(8H)-yl]-1-butanone phosphate (1:1), 4-Desfluoro Sitagliptin, 4-Desfluoro Sitagliptin Phosphate, Sitagliptin EP Impurity B Phosphate, Sitagliptin 4-Desfluoro Impurity, (R)-4-Oxo-4-[3-(trifluoromethyl)-5,6-dihydro[1,2,4]triazolo[4,3-a]pyrazin-7(8H)-yl]-1-(2,5-difluorophenyl)butan-2-amine phosphate, 1-Butanone, 3-amino-4-(2,5-difluorophenyl)-1-[5,6-dihydro-3-(trifluoromethyl)-1,2,4-triazolo[4,3-a]pyrazin-7(8H)-yl]-, (3R)-, phosphate (1:1)

Sitagliptin EP Impurity B (CAS 1345822-87-8) is a compound in the Organic Compounds category listed in the Jingsj chemical database. It has the molecular formula C16H19F5N5O5P and a molecular weight of 487.318 g/mol. It is also known as (3R)-3-Amino-4-(2,5-difluorophenyl)-1-[3-(trifluoromethyl)-5,6-dihydro[1,2,4]triazolo[4,3-a]pyrazin-7(8H)-yl]-1-butanone phosphate (1:1), 4-Desfluoro Sitagliptin and 4-Desfluoro Sitagliptin Phosphate. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.

1345822-87-8

Jingsj CID

J-1528994-8

Molecular Formula

C₁₆H₁₉F₅N₅O₅P

Chinese Name

西他列汀EP杂质B

Molecular Weight

487.318 g/mol

Category

Organic Compounds

Last updated

8/21/2026