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

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. 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-905785-6
Molecular Formula
C5H3N3O
Molecular Weight
121.09700 g/mol
Category
Ketones
Last updated
8/21/2026
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Physicochemical Properties

Density1.38g/cm3
Exact Mass121.02800
PSA69.54000
Refractive Index1.648

Customs & Trade Information

HS Code2933990090
Summary2933990090. heterocyclic compounds with nitrogen hetero-atom(s) only. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%

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.

What are the upstream and downstream products of 3-Oxo-2,3-dihydropyridazine-4-carbonitrile?

For 3-Oxo-2,3-dihydropyridazine-4-carbonitrile, Upstream Products: Cyanoacetohydrazide, Glyoxal sodium bisulfite hydrate, 2,2-Diethoxyacetaldehyde; Downstream Products: Ethyl 3-hydroxypyridazine-4-carboxylate, 3-Oxo-2,3-dihydropyridazine-4-carboxylic acid.

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

Last updated:

How to cite: Jingsj. "3-Oxo-2,3-dihydropyridazine-4-carbonitrile (CAS 64882-65-1)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-905785-6 (accessed 2026-11-09).

Data for reference only; verify product details with suppliers before purchase.