6-Chloro-2-(methylthio)pyrimidin-4(1H)-one

2-(甲硫基)-4-羟基-6-氯嘧啶

Also known as: NSC45719, 6-Chloro-4-hydroxy-2-(methylthio)pyrimidine, 4-Chloro-6-hydroxy-2-(methylthio)pyrimidine, 6-Chloro-2-(methylthio)-4(1H)-pyrimidinone, 4(1H)-Pyrimidinone, 6-chloro-2-(methylthio)-, 6-Chloro-2-methylsulfanyl-1H-pyrimidin-4-one, 6-Chloro-2-methylsulfanyl-3H-pyrimidin-4-one, 2-Methylthio-4-chlor-6-hydroxy-pyrimidin, 4-Chlor-6-hydroxy-2-methylmercapto-pyrimidin

6-Chloro-2-(methylthio)pyrimidin-4(1H)-one (CAS 6632-63-9) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C5H5ClN2OS and a molecular weight of 176.62400 g/mol. It is also known as NSC45719, 6-Chloro-4-hydroxy-2-(methylthio)pyrimidine and 4-Chloro-6-hydroxy-2-(methylthio)pyrimidine. Key properties include a boiling point of 263ºC at 760 mmHg, a density of 1.54g/cm3 and a flash point of 112.8ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
6632-63-9
Jingsj CID
J-1035338-3
Molecular Formula
C5H5ClN2OS
Chinese Name
2-(甲硫基)-4-羟基-6-氯嘧啶
Molecular Weight
176.62400 g/mol
Category
Pharma Intermediates
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point263ºC at 760 mmHg
Density1.54g/cm3
Flash Point112.8ºC

Frequently Asked Questions

What is the CAS number of 6-Chloro-2-(methylthio)pyrimidin-4(1H)-one?

The CAS number of 6-Chloro-2-(methylthio)pyrimidin-4(1H)-one is 6632-63-9.

What are the molecular formula and molecular weight of 6-Chloro-2-(methylthio)pyrimidin-4(1H)-one?

6-Chloro-2-(methylthio)pyrimidin-4(1H)-one has molecular formula C5H5ClN2OS and molecular weight 176.62400 g/mol.

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

Last updated:

How to cite: Jingsj. "6-Chloro-2-(methylthio)pyrimidin-4(1H)-one (CAS 6632-63-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1035338-3 (accessed 2026-10-24).

Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.