4-Chloro-2-(1,1-dimethylethyl)-5-mercapto-3(2H)-pyridazinone

Also known as: 2-tert-butyl-4-chloro-5-mercaptopyridazin-3(2H)-one, 2-tert-butyl-4-chloro-5-mercapto-3(2H)-pyridazinone, 3(2H)-Pyridazinone, 4-chloro-2-(1,1-dimethylethyl)-5-mercapto-, Chlorotoluron Impurity 1

4-Chloro-2-(1,1-dimethylethyl)-5-mercapto-3(2H)-pyridazinone (CAS 96490-18-5) is a compound in the Ketones category listed in the Jingsj chemical database. It has the molecular formula C8H11ClN2OS and a molecular weight of 218.70400 g/mol. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 96490-18-5
Jingsj CID: J-1358988-3
Molecular Formula: C₈H₁₁ClN₂OS
Molecular Weight: 218.70400 g/mol
Category: Ketones
Last updated: 8/21/2026

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Physicochemical Properties

Exact Mass	218.02800
PSA	73.69000
LogP	1.94040

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 4-Chloro-2-(1,1-dimethylethyl)-5-mercapto-3(2H)-pyridazinone?

The CAS number of 4-Chloro-2-(1,1-dimethylethyl)-5-mercapto-3(2H)-pyridazinone is 96490-18-5.

What are the molecular formula and molecular weight of 4-Chloro-2-(1,1-dimethylethyl)-5-mercapto-3(2H)-pyridazinone?

4-Chloro-2-(1,1-dimethylethyl)-5-mercapto-3(2H)-pyridazinone has molecular formula C8H11ClN2OS and molecular weight 218.70400 g/mol.

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. "4-Chloro-2-(1,1-dimethylethyl)-5-mercapto-3(2H)-pyridazinone (CAS 96490-18-5)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1358988-3 (accessed 2026-11-09).

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