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5-aminopyridazin-3(2H)-one

Also known as: 5-amino-2,3-dihydropyridazin-3-one, 5-Aminopyridazin-3(2H)-one, 5-Amino-3(2H)-pyridazinone, 4-amino-1H-pyridazin-6-one, NSC 114060, 3(2H)-Pyridazinone, 5-amino-

5-aminopyridazin-3(2H)-one (CAS 89033-30-7) 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. Key property: a density of 1.55g/cm3. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
89033-30-7
Jingsj CID
J-1344553-9
Molecular Formula
C4H5N3O
Molecular Weight
111.10200 g/mol
Category
Ketones
Last updated
8/21/2026

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Physicochemical Properties

Density1.55g/cm3
Exact Mass111.04300
PSA71.77000
Refractive Index1.688
Storage Conditions2-8°C

Customs & Trade Information

HS Code2933990090
Summary2933990090. heterocyclic compounds with nitrogen hetero-atom(s) only. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%

Frequently Asked Questions

What is the CAS number of 5-aminopyridazin-3(2H)-one?

The CAS number of 5-aminopyridazin-3(2H)-one is 89033-30-7.

What are the molecular formula and molecular weight of 5-aminopyridazin-3(2H)-one?

5-aminopyridazin-3(2H)-one has molecular formula C4H5N3O and molecular weight 111.10200 g/mol.

What are the upstream and downstream products of 5-aminopyridazin-3(2H)-one?

For 5-aminopyridazin-3(2H)-one, Upstream Products: 5-Amino-4-chloropyridazin-3(2H)-one.

Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.

Last updated:

How to cite: Jingsj. "5-aminopyridazin-3(2H)-one (CAS 89033-30-7)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1344553-9 (accessed 2026-11-09).

Data for reference only; verify product details with suppliers before purchase.