6-(4-Chlorophenyl)pyridazin-3(2H)-one

Also known as: 6-(4-Chlorophenyl)-3(2H)pyridazinone, 6-(4-Chlorophenyl)pyridazin-3-ol, 6-(4-chlorophenyl)-2,3-dihydropyridazin-3-one, 6-(4-chlorophenyl)-2-hydropyridazin-3-one, 6-(4-chlorophenyl)pyridazinone, 6-(p-chlorophenyl)-3(2H)-pyridazinone, F1967-0283, TIMTEC-BB SBB003481, 3(2H)-Pyridazinone,6-(4-chlorophenyl), 3(2H)-Pyridazinone, 6-(4-chlorophenyl)-

6-(4-Chlorophenyl)pyridazin-3(2H)-one (CAS 2166-13-4) is a compound in the Ketones category listed in the Jingsj chemical database. It has the molecular formula C10H7ClN2O and a molecular weight of 206.62800 g/mol. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 2166-13-4
Jingsj CID: J-1119040-2
Molecular Formula: C₁₀H₇ClN₂O
Molecular Weight: 206.62800 g/mol
Category: Ketones
Last updated: 8/21/2026

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Physicochemical Properties

Exact Mass	206.02500
PSA	45.75000
LogP	2.09030

Customs & Trade Information

HS Code	2933990090
Summary	2933990090. 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 6-(4-Chlorophenyl)pyridazin-3(2H)-one?

The CAS number of 6-(4-Chlorophenyl)pyridazin-3(2H)-one is 2166-13-4.

What are the molecular formula and molecular weight of 6-(4-Chlorophenyl)pyridazin-3(2H)-one?

6-(4-Chlorophenyl)pyridazin-3(2H)-one has molecular formula C10H7ClN2O and molecular weight 206.62800 g/mol.

What are the upstream and downstream products of 6-(4-Chlorophenyl)pyridazin-3(2H)-one?

For 6-(4-Chlorophenyl)pyridazin-3(2H)-one, Upstream Products: 1-(4-Chlorophenyl)ethanone, Glyoxylic acid, 6-(4-Chlorophenyl)-4,5-dihydro-3(2H)-pyridazinone; Downstream Products: 6-(4-chlorophenyl)pyridazin-3-amine.

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

Last updated: 8/21/2026

How to cite: Jingsj. "6-(4-Chlorophenyl)pyridazin-3(2H)-one (CAS 2166-13-4)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1119040-2 (accessed 2026-11-09).

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