1,2,4-Triazolo[4,3-a]pyridine-3(2H)-one

1,2,4-Triazolo[4,3-a]pyridine-3(2H)-one

CAS Number :
6969-71-7

Molecular Formula : C₆H₅N₃O

Molecular Weight : 135.12 g/mol

Storage : Store at room temperature in a tightly closed container. Protect from moisture, heat, and direct sunlight.

Form: Powder

Purity: High

Color: White to off-white

HS Code: 2933

Description:1,2,4-Triazolo[4,3-a]pyridine-3(2H)-one is a heterocyclic compound widely used as a pharmaceutical intermediate in the synthesis of bioactive molecules. Its fused triazole–pyridine structure makes it an important building block in medicinal chemistry, particularly for compounds targeting CNS, anti-infective, and anti-inflammatory applications.

This intermediate is valued for its chemical stability, well-defined structure, and suitability for further functionalization in research and commercial drug development.