5,6,7,8-Tetrahydro-[1,2,4]triazolo[4,3-a]pyrazine

5,6,7,8-四氢-1,2,4-三唑并[4,3-a]吡嗪

Also known as: 5,6,7,8-Tetrahydro-1,2,4-triazolo[4,3-a]pyrazine, 1,2,4-Triazolo[4,3-a]pyrazine, 5,6,7,8-tetrahydro-, 5,6,7,8-Tetrahydro[1,2,4]triazolo[4,3-a]pyrazine

5,6,7,8-Tetrahydro-[1,2,4]triazolo[4,3-a]pyrazine (CAS 345311-09-3) is a compound in the Organic Compounds category listed in the Jingsj chemical database. It has the molecular formula C5H9ClN4 and a molecular weight of 160.605 g/mol. It is also known as 5,6,7,8-Tetrahydro-1,2,4-triazolo[4,3-a]pyrazine, 1,2,4-Triazolo[4,3-a]pyrazine, 5,6,7,8-tetrahydro- and 5,6,7,8-Tetrahydro[1,2,4]triazolo[4,3-a]pyrazine. Key properties include a boiling point of 319.763ºC at 760 mmHg, a density of 1.539 g/cm3 and a flash point of 147.187ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
345311-09-3
Jingsj CID
J-1179358-4
Molecular Formula
C5H9ClN4
Chinese Name
5,6,7,8-四氢-1,2,4-三唑并[4,3-a]吡嗪
Molecular Weight
160.605 g/mol
Category
Organic Compounds
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point319.763ºC at 760 mmHg
Density1.539 g/cm3
Flash Point147.187ºC

Frequently Asked Questions

What is the CAS number of 5,6,7,8-Tetrahydro-[1,2,4]triazolo[4,3-a]pyrazine?

The CAS number of 5,6,7,8-Tetrahydro-[1,2,4]triazolo[4,3-a]pyrazine is 345311-09-3.

What are the molecular formula and molecular weight of 5,6,7,8-Tetrahydro-[1,2,4]triazolo[4,3-a]pyrazine?

5,6,7,8-Tetrahydro-[1,2,4]triazolo[4,3-a]pyrazine has molecular formula C5H9ClN4 and molecular weight 160.605 g/mol.

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

Last updated:

How to cite: Jingsj. "5,6,7,8-Tetrahydro-[1,2,4]triazolo[4,3-a]pyrazine (CAS 345311-09-3)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1179358-4 (accessed 2026-10-24).

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