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

5,6,7,8-四氢-[1,2,4]三唑并[1,5-a]吡嗪

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

5,6,7,8-tetrahydro-[1,2,4]triazolo[1,5-a]pyrazine (CAS 233278-56-3) is a compound in the Organic Compounds category listed in the Jingsj chemical database. It has the molecular formula C5H8N4 and a molecular weight of 124.144 g/mol. It is also known as 5,6,7,8-Tetrahydro-[1,2,4]triazolo[1,5-a]pyrazine, 5H,6H,7H,8H-[1,2,4]triazolo[1,5-a]pyrazine and [1,2,4]Triazolo[1,5-a]pyrazine, 5,6,7,8-tetrahydro-. Key properties include a boiling point of 319.8±52.0 °C at 760 mmHg, a density of 1.5±0.1 g/cm3 and a flash point of 147.2±30.7 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
233278-56-3
Jingsj CID
J-1191483-7
Molecular Formula
C5H8N4
Chinese Name
5,6,7,8-四氢-[1,2,4]三唑并[1,5-a]吡嗪
Molecular Weight
124.144 g/mol
Category
Organic Compounds
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point319.8±52.0 °C at 760 mmHg
Density1.5±0.1 g/cm3
Flash Point147.2±30.7 °C

Frequently Asked Questions

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

The CAS number of 5,6,7,8-tetrahydro-[1,2,4]triazolo[1,5-a]pyrazine is 233278-56-3.

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

5,6,7,8-tetrahydro-[1,2,4]triazolo[1,5-a]pyrazine has molecular formula C5H8N4 and molecular weight 124.144 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[1,5-a]pyrazine (CAS 233278-56-3)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1191483-7 (accessed 2026-10-25).

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