4-Amino-5-chloro-3(2H)-pyridazinone

4-氨基-5-氯-3(2H)-哒嗪酮

Also known as: 4-Amino-5-chloropyridazin-3(2H)-one, 4-amino-5-chloro-2H-pyridazin-3-one, 3(2H)-Pyridazinone, 4-amino-5-chloro-, 4-Amino-5-chlor-2H-pyridazin-3-on, 4-Amino-5-chloro-3(2H)-pyridazinone ISO 9001:2015 REACH

CAS No.
55271-58-4
Jingsj CID
J-869599-6
Molecular Formula
C4H4ClN3O
Chinese Name
4-氨基-5-氯-3(2H)-哒嗪酮
Molecular Weight
145.54700 g/mol
Category
Ketones
Last updated
8/21/2026

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Physicochemical Properties

Density1.79±0.1 g/cm3(Predicted)

Frequently Asked Questions

What is the CAS number of 4-Amino-5-chloro-3(2H)-pyridazinone?

55271-58-4

What are the molecular formula and molecular weight of 4-Amino-5-chloro-3(2H)-pyridazinone?

C4H4ClN3O, molecular weight 145.54700 g/mol

Data compiled from public chemical databases and supplier catalogs; verify specifications with suppliers before purchase. · Last updated: 8/21/2026