3-(Methylthio)-1,2,4-triazin-5(2H)-one

3-(甲硫基)-1,2,4-三嗪-5(2H)-酮

Also known as: 3-Methylsulfanyl-2H-1,2,4-triazin-5-one, 3-Methylthio-2H-1,2,4-triazin-5-one, 3-(Methylsulphanyl)-1,2,4-triazin-5(2H)-one, 3-Methylmercapto-5-oxo-2,5-dihydro-1,2,4-triazine, 3-methylthio-5-oxo-2,5-dihydro-1,2,4-triazine, 2-S-Methyl-2-thio-6-aza-uracil

3-(Methylthio)-1,2,4-triazin-5(2H)-one (CAS 18060-72-5) is a compound in the Ketones category listed in the Jingsj chemical database. It has the molecular formula C4H5N3OS and a molecular weight of 143.16700 g/mol. It is also known as 3-Methylsulfanyl-2H-1,2,4-triazin-5-one, 3-Methylthio-2H-1,2,4-triazin-5-one and 3-(Methylsulphanyl)-1,2,4-triazin-5(2H)-one. Key properties include a boiling point of 233.4ºC at 760mmHg, a density of 1.53g/cm3 and a flash point of 94.9ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 18060-72-5
Jingsj CID: J-1355023-9
Molecular Formula: C₄H₅N₃OS
Chinese Name: 3-(甲硫基)-1,2,4-三嗪-5(2H)-酮
Molecular Weight: 143.16700 g/mol
Category: Ketones
Last updated: 8/21/2026

No offers for this compound yet.

Request a quote

Physicochemical Properties

Boiling Point	233.4ºC at 760mmHg
Density	1.53g/cm3
Flash Point	94.9ºC

Frequently Asked Questions

What is the CAS number of 3-(Methylthio)-1,2,4-triazin-5(2H)-one?

The CAS number of 3-(Methylthio)-1,2,4-triazin-5(2H)-one is 18060-72-5.

What are the molecular formula and molecular weight of 3-(Methylthio)-1,2,4-triazin-5(2H)-one?

3-(Methylthio)-1,2,4-triazin-5(2H)-one has molecular formula C4H5N3OS and molecular weight 143.16700 g/mol.

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

Last updated: 8/21/2026

How to cite: Jingsj. "3-(Methylthio)-1,2,4-triazin-5(2H)-one (CAS 18060-72-5)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1355023-9 (accessed 2026-10-25).

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