5-(4-Pyridyl)-1H-1,2,4-triazol-3(2H)-one

1,2-二氢-5-(4-吡啶)-3H-1,2,4-三唑-3-酮

Also known as: 3-(Pyridin-4-yl)-1H-1,2,4-triazol-5(4H)-one, 3-Hydroxy-5-(4-pyridyl)-1,2,4(H)-triazole, 3H-1,2,4-Triazol-3-one, 1,2-dihydro-5-(4-pyridinyl)-, 4-(3-Hydroxy-4H-1,2,4-triazol-5-yl)pyridine, 4H-1,2,4-Triazol-3-ol, 5-(4-pyridyl)-, 5-(Pyridin-4-yl)-1,2-dihydro-3H-1,2,4-triazol-3-one, 5-Pyridin-4-yl-2,4-dihydro-[1,2,4]triazol-3-one, 5-[4]Pyridyl-1,2-dihydro-[1,2,4]triazol-3-one, 5-Pyridin-4-yl-1,2-dihydro-1,2,4-triazol-3-one, Pyridine, 4-(3-hydroxy-4H-1,2,4-triazol-5-yl)-

5-(4-Pyridyl)-1H-1,2,4-triazol-3(2H)-one (CAS 939-08-2) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C7H6N4O and a molecular weight of 162.14900 g/mol. It is also known as 3-(Pyridin-4-yl)-1H-1,2,4-triazol-5(4H)-one, 3-Hydroxy-5-(4-pyridyl)-1,2,4(H)-triazole and 3H-1,2,4-Triazol-3-one, 1,2-dihydro-5-(4-pyridinyl)-. Key properties include a boiling point of 508.9ºC at 760 mmHg, a density of 1.55g/cm3 and a flash point of 261.6ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.

939-08-2

Jingsj CID

J-1167679-7

Molecular Formula

C₇H₆N₄O

Chinese Name

1,2-二氢-5-(4-吡啶)-3H-1,2,4-三唑-3-酮

Molecular Weight

162.14900 g/mol

Category

Pharma Intermediates

Last updated

8/21/2026