4-Chloro-2-ethyl-5-hydrazinylpyridazin-3(2H)-one

4-氯-2-乙基-5-肼基哒嗪-3(2H)-酮

Also known as: 3(2H)-Pyridazinone, 4-chloro-2-ethyl-5-hydrazinyl-, 4-Chloro-2-ethyl-5-hydrazino-2H-pyridazin-3-one

4-Chloro-2-ethyl-5-hydrazinylpyridazin-3(2H)-one (CAS 452344-73-9) is a compound in the Organic Bases category listed in the Jingsj chemical database. It has the molecular formula C6H9ClN4O and a molecular weight of 188.61 g/mol. It is also known as 3(2H)-Pyridazinone, 4-chloro-2-ethyl-5-hydrazinyl- and 4-Chloro-2-ethyl-5-hydrazino-2H-pyridazin-3-one. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 452344-73-9
Jingsj CID: J-534480-4
Molecular Formula: C₆H₉ClN₄O
Chinese Name: 4-氯-2-乙基-5-肼基哒嗪-3(2H)-酮
Molecular Weight: 188.61 g/mol
Category: Organic Bases
Last updated: 8/21/2026

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Frequently Asked Questions

What is the CAS number of 4-Chloro-2-ethyl-5-hydrazinylpyridazin-3(2H)-one?

The CAS number of 4-Chloro-2-ethyl-5-hydrazinylpyridazin-3(2H)-one is 452344-73-9.

What are the molecular formula and molecular weight of 4-Chloro-2-ethyl-5-hydrazinylpyridazin-3(2H)-one?

4-Chloro-2-ethyl-5-hydrazinylpyridazin-3(2H)-one has molecular formula C6H9ClN4O and molecular weight 188.61 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-Chloro-2-ethyl-5-hydrazinylpyridazin-3(2H)-one (CAS 452344-73-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-534480-4 (accessed 2026-10-24).

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