2,3,5,6-tetrafluoro-4-(phenylsulfonyl)pyridine

2,3,5,6-四氟-4-苯磺酰基吡啶

Also known as: 4-(benzenesulfonyl)-2,3,5,6-tetrafluoropyridine, 4-(benzenesulfonyl)-2,3,5,6-tetrafluoropyridine, 4-benzenesulfonyl-2,3,5,6-tetrafluoro-pyridine, 4-phenylsulfonyl-2,3,5,6-tetrafluoropyridine, PC9678, Pyridine, 2,3,5,6-tetrafluoro-4-(phenylsulfonyl)-, Tetrafluor-4-phenylsulfonylpyridin

2,3,5,6-tetrafluoro-4-(phenylsulfonyl)pyridine (CAS 23449-67-4) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C11H5F4NO2S and a molecular weight of 291.22200 g/mol. It is also known as 4-(benzenesulfonyl)-2,3,5,6-tetrafluoropyridine, 4-(benzenesulfonyl)-2,3,5,6-tetrafluoropyridine and 4-benzenesulfonyl-2,3,5,6-tetrafluoro-pyridine. Key properties include a melting point of 148-149ºC, a boiling point of 315.3ºC at 760 mmHg, a density of 1.301g/cm3 and a flash point of 144.5ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.

23449-67-4

Jingsj CID

J-1473752-9

Molecular Formula

C₁₁H₅F₄NO₂S

Chinese Name

2,3,5,6-四氟-4-苯磺酰基吡啶

Molecular Weight

291.22200 g/mol

Category

Pharma Intermediates

Last updated

8/21/2026