1,2-Dihydro-3H-pyrazolo[4,3-b]pyridin-3-one

1,2-二氢-3H-吡唑并[4,3-b]吡啶-3-酮

Also known as: 1,2-Dihydro-3H-pyrazolo[4,3-b]pyridin-3-one, 1H-Pyrazolo[4,3-b]pyridin-3(2H)-one, 3H-Pyrazolo[4,3-b]pyridin-3-one, 1,2-dihydro-, 1,2-dihydropyrazolo[4,3-b]pyridin-3-one, 2H-pyrazolo[4,3-b]pyridin-3-ol

1,2-Dihydro-3H-pyrazolo[4,3-b]pyridin-3-one (CAS 51617-92-6) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C6H5N3O and a molecular weight of 135.123 g/mol. It is also known as 1H-Pyrazolo[4,3-b]pyridin-3(2H)-one, 3H-Pyrazolo[4,3-b]pyridin-3-one, 1,2-dihydro- and 1,2-dihydropyrazolo[4,3-b]pyridin-3-one. Key properties include a boiling point of 225.8±9.0 °C at 760 mmHg, a density of 1.3±0.1 g/cm3 and a flash point of 90.3±18.7 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
51617-92-6
Jingsj CID
J-859642-4
Molecular Formula
C6H5N3O
Chinese Name
1,2-二氢-3H-吡唑并[4,3-b]吡啶-3-酮
Molecular Weight
135.123 g/mol
Category
Pharma Intermediates
Last updated
8/21/2026

No offers for this compound yet.

Request a quote

Physicochemical Properties

Boiling Point225.8±9.0 °C at 760 mmHg
Density1.3±0.1 g/cm3
Flash Point90.3±18.7 °C

Frequently Asked Questions

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

The CAS number of 1,2-Dihydro-3H-pyrazolo[4,3-b]pyridin-3-one is 51617-92-6.

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

1,2-Dihydro-3H-pyrazolo[4,3-b]pyridin-3-one has molecular formula C6H5N3O and molecular weight 135.123 g/mol.

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

Last updated:

How to cite: Jingsj. "1,2-Dihydro-3H-pyrazolo[4,3-b]pyridin-3-one (CAS 51617-92-6)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-859642-4 (accessed 2026-10-24).

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