3-Oxo-2,3-dihydropyridazine-4-carbonitrile

4-氰基-3-哒嗪酮

Also known as: 2,3-Dihydro-3-oxo-4-pyridazinecarbonitrile, 4-Cyano-3(2H)-pyridazinone, 3-Hydroxypyridazine-4-carbonitrile, 4-Cyanopyridazin-3(2H)-one, 6-Oxo-1H-pyridazine-5-carbonitrile

3-Oxo-2,3-dihydropyridazine-4-carbonitrile (CAS 64882-65-1) is a compound in the Ketones category listed in the Jingsj chemical database. It has the molecular formula C5H3N3O and a molecular weight of 121.09700 g/mol. It is also known as 2,3-Dihydro-3-oxo-4-pyridazinecarbonitrile, 4-Cyano-3(2H)-pyridazinone and 3-Hydroxypyridazine-4-carbonitrile. Key property: a density of 1.38g/cm3. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 64882-65-1
Jingsj CID: J-905785-4
Molecular Formula: C₅H₃N₃O
Chinese Name: 4-氰基-3-哒嗪酮
Molecular Weight: 121.09700 g/mol
Category: Ketones
Last updated: 8/21/2026

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Physicochemical Properties

Density	1.38g/cm3

Frequently Asked Questions

What is the CAS number of 3-Oxo-2,3-dihydropyridazine-4-carbonitrile?

The CAS number of 3-Oxo-2,3-dihydropyridazine-4-carbonitrile is 64882-65-1.

What are the molecular formula and molecular weight of 3-Oxo-2,3-dihydropyridazine-4-carbonitrile?

3-Oxo-2,3-dihydropyridazine-4-carbonitrile has molecular formula C5H3N3O and molecular weight 121.09700 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. "3-Oxo-2,3-dihydropyridazine-4-carbonitrile (CAS 64882-65-1)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-905785-4 (accessed 2026-10-22).

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