5-chloropyridazin-4-ol

5-氯-4-羟基哒嗪

Also known as: 5-chloro-4-pyridazinol, 4-Pyridazinol, 5-chloro-, 5-chloro-1H-pyridazin-4-one

5-chloropyridazin-4-ol (CAS 1245643-70-2) is a compound in the Organohalogen Compounds category listed in the Jingsj chemical database. It has the molecular formula C4H3ClN2O and a molecular weight of 130.53200 g/mol. It is also known as 5-chloro-4-pyridazinol, 4-Pyridazinol, 5-chloro- and 5-chloro-1H-pyridazin-4-one. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 1245643-70-2
Jingsj CID: J-1404850-2
Molecular Formula: C₄H₃ClN₂O
Chinese Name: 5-氯-4-羟基哒嗪
Molecular Weight: 130.53200 g/mol
Category: Organohalogen Compounds
Last updated: 8/21/2026

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Frequently Asked Questions

What is the CAS number of 5-chloropyridazin-4-ol?

The CAS number of 5-chloropyridazin-4-ol is 1245643-70-2.

What are the molecular formula and molecular weight of 5-chloropyridazin-4-ol?

5-chloropyridazin-4-ol has molecular formula C4H3ClN2O and molecular weight 130.53200 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-chloropyridazin-4-ol (CAS 1245643-70-2)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1404850-2 (accessed 2026-10-24).

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