5-Chloropyrimidin-4(1H)-one hydrochloride

Also known as: 5-ChloropyriMidin-4(1H)-one hydrochloride, 5-Chloro-4(1H)-pyrimidinone hydrochloride (1:1), 5-chloro-6-oxo-1,6-dihydropyrimidin-1-ium chloride

5-Chloropyrimidin-4(1H)-one hydrochloride (CAS 197228-37-8) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C4H4Cl2N2O and a molecular weight of 166.99300 g/mol. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 197228-37-8
Jingsj CID: J-1033097-9
Molecular Formula: C₄H₄Cl₂N₂O
Molecular Weight: 166.99300 g/mol
Category: Pharma Intermediates
Last updated: 8/21/2026

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Physicochemical Properties

Exact Mass	165.97000
PSA	46.01000
LogP	1.63760

Customs & Trade Information

HS Code	2933599090
Summary	2933599090. other compounds containing a pyrimidine ring (whether or not hydrogenated) or piperazine ring in the structure. 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-Chloropyrimidin-4(1H)-one hydrochloride?

The CAS number of 5-Chloropyrimidin-4(1H)-one hydrochloride is 197228-37-8.

What are the molecular formula and molecular weight of 5-Chloropyrimidin-4(1H)-one hydrochloride?

5-Chloropyrimidin-4(1H)-one hydrochloride has molecular formula C4H4Cl2N2O and molecular weight 166.99300 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. "5-Chloropyrimidin-4(1H)-one hydrochloride (CAS 197228-37-8)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1033097-9 (accessed 2026-11-09).

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