4-Aminopyridazin-3(2H)-one

4-氨基-3(2H)-哒嗪酮

Also known as: 3(2H)-Pyridazinone, 4-amino-, 3(2H)-Pyridazinone,4-amino-(6CI,9CI), 4-amino-2,3-dihydropyridazin-3-one, 4-AMino-2H-pyridazin-3-one, 4-AMinopyridazin-3(2H)-one, 5-Aminopyridazin-6(1H)-one, 5-amino-1H-pyridazin-6-one

4-Aminopyridazin-3(2H)-one (CAS 55271-46-0) is a compound in the Ketones category listed in the Jingsj chemical database. It has the molecular formula C4H5N3O and a molecular weight of 111.10200 g/mol. It is also known as 3(2H)-Pyridazinone, 4-amino-, 3(2H)-Pyridazinone,4-amino-(6CI,9CI) and 4-amino-2,3-dihydropyridazin-3-one. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 55271-46-0
Jingsj CID: J-1505615-3
Molecular Formula: C₄H₅N₃O
Chinese Name: 4-氨基-3(2H)-哒嗪酮
Molecular Weight: 111.10200 g/mol
Category: Ketones
Last updated: 8/21/2026

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Frequently Asked Questions

What is the CAS number of 4-Aminopyridazin-3(2H)-one?

The CAS number of 4-Aminopyridazin-3(2H)-one is 55271-46-0.

What are the molecular formula and molecular weight of 4-Aminopyridazin-3(2H)-one?

4-Aminopyridazin-3(2H)-one has molecular formula C4H5N3O and molecular weight 111.10200 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-Aminopyridazin-3(2H)-one (CAS 55271-46-0)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1505615-3 (accessed 2026-10-25).

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