4-[5-(2-cyanopyridin-4-yl)-1H-1,2,4-triazol-3-yl]pyridine 1-oxide

4-[5-(2-氰基吡啶-4-基)-1H-1,2,4-三唑-3-基]吡啶1-氧化物

Also known as: Topiroxostat Impurity 9, Topiroxostat Imp.B, 3-(2-cyano-4-pyridyl)-5-(1-oxy-4-pyridyl)-1,2,4-triazole, 4-(5-(2-cyanopyridin-4-yl)-4H-1,2,4-triazol-3-yl)pyridine 1-oxide, 2-Pyridinecarbonitrile, 4-[3-(1-oxido-4-pyridinyl)-1H-1,2,4-triazol-5-yl]-, 4-[5-(1-Hydroxypyridin-4-ylidene)-1,2,4-triazol-3-yl]pyridine-2-carbonitrile, Topicast impurity C, Topirastat Impurity B, Topistat impurity 9

4-[5-(2-cyanopyridin-4-yl)-1H-1,2,4-triazol-3-yl]pyridine 1-oxide (CAS 577778-82-6) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C13H8N6O and a molecular weight of 264.248 g/mol. It is also known as Topiroxostat Impurity 9, Topiroxostat Imp.B and 3-(2-cyano-4-pyridyl)-5-(1-oxy-4-pyridyl)-1,2,4-triazole. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.

577778-82-6

Jingsj CID

J-1375500-1

Molecular Formula

C₁₃H₈N₆O

Chinese Name

4-[5-(2-氰基吡啶-4-基)-1H-1,2,4-三唑-3-基]吡啶1-氧化物

Molecular Weight

264.248 g/mol

Category

Pharma Intermediates

Last updated

8/21/2026