4,5-Dichloro-2-(4-pyridinyl)-3(2H)-pyridazinone

4,5-Dichloro-2-(4-pyridinyl)-3(2H)-pyridazinone (CAS 78389-20-5) is a compound in the Organic Compounds category listed in the Jingsj chemical database. It has the molecular formula C9H5Cl2N3O and a molecular weight of 242.06 g/mol. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 78389-20-5
Jingsj CID: J-1408721-3
Molecular Formula: C₉H₅Cl₂N₃O
Molecular Weight: 242.06 g/mol
Category: Organic Compounds
Last updated: 8/21/2026

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Frequently Asked Questions

What is the CAS number of 4,5-Dichloro-2-(4-pyridinyl)-3(2H)-pyridazinone?

The CAS number of 4,5-Dichloro-2-(4-pyridinyl)-3(2H)-pyridazinone is 78389-20-5.

What are the molecular formula and molecular weight of 4,5-Dichloro-2-(4-pyridinyl)-3(2H)-pyridazinone?

4,5-Dichloro-2-(4-pyridinyl)-3(2H)-pyridazinone has molecular formula C9H5Cl2N3O and molecular weight 242.06 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. "4,5-Dichloro-2-(4-pyridinyl)-3(2H)-pyridazinone (CAS 78389-20-5)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1408721-3 (accessed 2026-10-26).

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