2-amino-7-methyl-[1,3,4]thiadiazolo[3,2-a]pyrimidin-5-one

2-氨基-7-甲基-[1,3,4]噻二唑并[3,2-a]嘧啶-5-酮

Also known as: 2-AMINO-7-METHYL-[1,3,4]THIADIAZOLO[3,2-A]PYRIMIDIN-5-ONE, 2-amino-7-methyl-5-oxo-5H-1,3,4-thiadiazolo<3,2-a>pyrimidine, 2-amino-7-methyl-5H-[1,3,4]thiadiazolo[3,2-a]pyrimidin-5-one, 5H-1,3,4-Thiadiazolo[3,2-a]pyrimidin-5-one, 2-amino-7-methyl-

2-amino-7-methyl-[1,3,4]thiadiazolo[3,2-a]pyrimidin-5-one (CAS 31737-02-7) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C6H6N4OS and a molecular weight of 182.20300 g/mol. It is also known as 2-AMINO-7-METHYL-[1,3,4]THIADIAZOLO[3,2-A]PYRIMIDIN-5-ONE, 2-amino-7-methyl-5-oxo-5H-1,3,4-thiadiazolo<3,2-a>pyrimidine and 2-amino-7-methyl-5H-[1,3,4]thiadiazolo[3,2-a]pyrimidin-5-one. Key properties include a boiling point of 330.7ºC at 760mmHg, a density of 1.82g/cm3 and a flash point of 153.8ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
31737-02-7
Jingsj CID
J-52151-4
Molecular Formula
C6H6N4OS
Chinese Name
2-氨基-7-甲基-[1,3,4]噻二唑并[3,2-a]嘧啶-5-酮
Molecular Weight
182.20300 g/mol
Category
Pharma Intermediates
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point330.7ºC at 760mmHg
Density1.82g/cm3
Flash Point153.8ºC

Frequently Asked Questions

What is the CAS number of 2-amino-7-methyl-[1,3,4]thiadiazolo[3,2-a]pyrimidin-5-one?

The CAS number of 2-amino-7-methyl-[1,3,4]thiadiazolo[3,2-a]pyrimidin-5-one is 31737-02-7.

What are the molecular formula and molecular weight of 2-amino-7-methyl-[1,3,4]thiadiazolo[3,2-a]pyrimidin-5-one?

2-amino-7-methyl-[1,3,4]thiadiazolo[3,2-a]pyrimidin-5-one has molecular formula C6H6N4OS and molecular weight 182.20300 g/mol.

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

Last updated:

How to cite: Jingsj. "2-amino-7-methyl-[1,3,4]thiadiazolo[3,2-a]pyrimidin-5-one (CAS 31737-02-7)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-52151-4 (accessed 2026-10-23).

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