1,4-Dihydro-[1,2,3]triazolo[4,5-b]pyridin-5-one

1,4-二氢-[1,2,3]三唑并[4,5-b]吡啶-5-酮

Also known as: 3,4-Dihydro-5H-1,2,3-triazolo[4,5-b]pyridin-5-one, 5H-1,2,3-Triazolo[4,5-b]pyridin-5-one, 3,4-dihydro-, Trazodone Impurity 31/3,4-Dihydro-5H-[1,2,3]triazolo[4,5-b]pyridin-5-one, Trazodone hydrochloride Impurity 28

1,4-Dihydro-[1,2,3]triazolo[4,5-b]pyridin-5-one (CAS 23431-04-1) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C5H4N4O and a molecular weight of 136.11 g/mol. It is also known as 3,4-Dihydro-5H-1,2,3-triazolo[4,5-b]pyridin-5-one, 5H-1,2,3-Triazolo[4,5-b]pyridin-5-one, 3,4-dihydro- and Trazodone Impurity 31/3,4-Dihydro-5H-[1,2,3]triazolo[4,5-b]pyridin-5-one. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 23431-04-1
Jingsj CID: J-630625-2
Molecular Formula: C₅H₄N₄O
Chinese Name: 1,4-二氢-[1,2,3]三唑并[4,5-b]吡啶-5-酮
Molecular Weight: 136.11 g/mol
Category: Pharma Intermediates
Last updated: 8/21/2026

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Frequently Asked Questions

What is the CAS number of 1,4-Dihydro-[1,2,3]triazolo[4,5-b]pyridin-5-one?

The CAS number of 1,4-Dihydro-[1,2,3]triazolo[4,5-b]pyridin-5-one is 23431-04-1.

What are the molecular formula and molecular weight of 1,4-Dihydro-[1,2,3]triazolo[4,5-b]pyridin-5-one?

1,4-Dihydro-[1,2,3]triazolo[4,5-b]pyridin-5-one has molecular formula C5H4N4O and molecular weight 136.11 g/mol.

Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.

Last updated: 8/21/2026

How to cite: Jingsj. "1,4-Dihydro-[1,2,3]triazolo[4,5-b]pyridin-5-one (CAS 23431-04-1)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-630625-2 (accessed 2026-10-24).

Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.