5-Chloro-3-oxo-2,3-dihydropyridazine-4-carbonitrile

5-氯-3-氧代-2,3-二氢哒嗪-4-甲腈

5-Chloro-3-oxo-2,3-dihydropyridazine-4-carbonitrile (CAS 2820002-78-4) is a compound in the Organohalogen Compounds category listed in the Jingsj chemical database. It has the molecular formula C5H2ClN3O and a molecular weight of 155.54 g/mol. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 2820002-78-4
Jingsj CID: J-1879948-6
Molecular Formula: C₅H₂ClN₃O
Chinese Name: 5-氯-3-氧代-2,3-二氢哒嗪-4-甲腈
Molecular Weight: 155.54 g/mol
Category: Organohalogen Compounds
Last updated: 8/21/2026

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Frequently Asked Questions

What is the CAS number of 5-Chloro-3-oxo-2,3-dihydropyridazine-4-carbonitrile?

The CAS number of 5-Chloro-3-oxo-2,3-dihydropyridazine-4-carbonitrile is 2820002-78-4.

What are the molecular formula and molecular weight of 5-Chloro-3-oxo-2,3-dihydropyridazine-4-carbonitrile?

5-Chloro-3-oxo-2,3-dihydropyridazine-4-carbonitrile has molecular formula C5H2ClN3O and molecular weight 155.54 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. "5-Chloro-3-oxo-2,3-dihydropyridazine-4-carbonitrile (CAS 2820002-78-4)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1879948-6 (accessed 2026-10-26).

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