Pifexole

匹非克索

Also known as: 4-[5-(2-chlorophenyl)-1,2,4-oxadiazol-3-yl]pyridine, 5-(2-Chlorophenyl)-3-(pyridin-4-yl)-1,2,4-oxadiazole, 3-(4-Pyridyl)-5-(2-chlorophenyl)-1,2,4-oxadiazole, 4-[5-(o-Chlorophenyl)-1,2,4-oxadiazol-3-yl]pyridine, Pyridine, 4-[5-(2-chlorophenyl)-1,2,4-oxadiazol-3-yl]-, RI-64, RJ-64, Udarnol, Pifexol, Pifexolum

Pifexole (CAS 27199-40-2) is a compound in the Organic Compounds category listed in the Jingsj chemical database. It has the molecular formula C13H8ClN3O and a molecular weight of 257.67500 g/mol. It is also known as 4-[5-(2-chlorophenyl)-1,2,4-oxadiazol-3-yl]pyridine, 5-(2-Chlorophenyl)-3-(pyridin-4-yl)-1,2,4-oxadiazole and 3-(4-Pyridyl)-5-(2-chlorophenyl)-1,2,4-oxadiazole. Key properties include a boiling point of 445ºC at 760mmHg, a density of 1.325g/cm3 and a flash point of 222.9ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.

27199-40-2

Jingsj CID

J-1505195-6

Molecular Formula

C₁₃H₈ClN₃O

Chinese Name

匹非克索

Molecular Weight

257.67500 g/mol

Category

Organic Compounds

Last updated

8/21/2026