1,2,4-Triazolo[4,3-b]pyridazine

1,2,4-TRIAZOLO[4,3-B]PYRIDAZINE

Also known as: 1,2,3a,4Tetraazaindene, 2,3,7Triazaindolizine, <1,2,4>triazolo<4,3-b>pyridazine, YRACHDVMKITFAZ-UHFFFAOYSA, [1,2,4]Triazolo[4,3-b]Pyridazine 1,2,4Triazolo[4,3b]pyridazine, [1,2,4]triazolo[4,3-b]pyridazine, s-Triazol<4,3-b>pyridazin, s-Triazolo<4,3-b>pyridazin, s-triazolo<4,3-b>pyridazine, symm.-Triazolo<4.3-b>pyridazin

1,2,4-Triazolo[4,3-b]pyridazine (CAS 274-83-9) is a compound in the Organic Compounds category listed in the Jingsj chemical database. It has the molecular formula C5H4N4 and a molecular weight of 120.11200 g/mol. It is also known as 1,2,3a,4Tetraazaindene, 2,3,7Triazaindolizine and <1,2,4>triazolo<4,3-b>pyridazine. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 274-83-9
Jingsj CID: J-1056206-0
Molecular Formula: C₅H₄N₄
Chinese Name: 1,2,4-TRIAZOLO[4,3-B]PYRIDAZINE
Molecular Weight: 120.11200 g/mol
Category: Organic Compounds
Last updated: 8/21/2026

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Frequently Asked Questions

What is the CAS number of 1,2,4-Triazolo[4,3-b]pyridazine?

The CAS number of 1,2,4-Triazolo[4,3-b]pyridazine is 274-83-9.

What are the molecular formula and molecular weight of 1,2,4-Triazolo[4,3-b]pyridazine?

1,2,4-Triazolo[4,3-b]pyridazine has molecular formula C5H4N4 and molecular weight 120.11200 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. "1,2,4-Triazolo[4,3-b]pyridazine (CAS 274-83-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1056206-0 (accessed 2026-10-25).

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