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4-chloro-5-hydrazinopyridazin-3(2H)-one

Also known as: 4-chloro-5-hydrazinylpyridazin-3(2H)-one, 4-chloro-5-hydrazinyl-2,3-dihydropyridazin-3-one, 4-chloro-5-hydrazinyl-3(2H)-pyridazinone, 3(2H)-Pyridazinone, 4-chloro-5-hydrazinyl-

4-chloro-5-hydrazinopyridazin-3(2H)-one (CAS 6959-56-4) is a compound in the Organic Bases category listed in the Jingsj chemical database. It has the molecular formula C4H5ClN4O and a molecular weight of 160.56200 g/mol. Key property: a density of 1.87g/cm3. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
6959-56-4
Jingsj CID
J-1526847-0
Molecular Formula
C4H5ClN4O
Molecular Weight
160.56200 g/mol
Category
Organic Bases
Last updated
8/21/2026
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Physicochemical Properties

Density1.87g/cm3
Exact Mass160.01500
PSA83.80000
LogP0.48220
Refractive Index1.75

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 4-chloro-5-hydrazinopyridazin-3(2H)-one?

The CAS number of 4-chloro-5-hydrazinopyridazin-3(2H)-one is 6959-56-4.

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

4-chloro-5-hydrazinopyridazin-3(2H)-one has molecular formula C4H5ClN4O and molecular weight 160.56200 g/mol.

What are the upstream and downstream products of 4-chloro-5-hydrazinopyridazin-3(2H)-one?

For 4-chloro-5-hydrazinopyridazin-3(2H)-one, Upstream Products: 4,5-Dichloro-3(2H)-pyridazinone; Downstream Products: 4-chloro-3(2H)-pyridazinone.

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

Last updated:

How to cite: Jingsj. "4-chloro-5-hydrazinopyridazin-3(2H)-one (CAS 6959-56-4)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1526847-0 (accessed 2026-11-09).

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