5,11-Etheno-7H-pyridazino[4a(2),5a(2):3,4]cyclobuta[1,2-d][1,2,4]triazolo[1,2-a]pyridazine-7,9(8H)-dione

5,11-Etheno-7H-pyridazino[4a(2),5a(2):3,4]cyclobuta[1,2-d][1,2,4]triazolo[1,2-a]pyridazine-7,9(8H)-dione (CAS 31618-66-3) is a compound in the Organic Compounds category listed in the Jingsj chemical database. It has the molecular formula C12H5N5O2 and a molecular weight of 251.20 g/mol. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 31618-66-3
Jingsj CID: J-1541648-9
Molecular Formula: C₁₂H₅N₅O₂
Molecular Weight: 251.20 g/mol
Category: Organic Compounds
Last updated: 8/21/2026

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Frequently Asked Questions

What is the CAS number of 5,11-Etheno-7H-pyridazino[4a(2),5a(2):3,4]cyclobuta[1,2-d][1,2,4]triazolo[1,2-a]pyridazine-7,9(8H)-dione?

The CAS number of 5,11-Etheno-7H-pyridazino[4a(2),5a(2):3,4]cyclobuta[1,2-d][1,2,4]triazolo[1,2-a]pyridazine-7,9(8H)-dione is 31618-66-3.

What are the molecular formula and molecular weight of 5,11-Etheno-7H-pyridazino[4a(2),5a(2):3,4]cyclobuta[1,2-d][1,2,4]triazolo[1,2-a]pyridazine-7,9(8H)-dione?

5,11-Etheno-7H-pyridazino[4a(2),5a(2):3,4]cyclobuta[1,2-d][1,2,4]triazolo[1,2-a]pyridazine-7,9(8H)-dione has molecular formula C12H5N5O2 and molecular weight 251.20 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. "5,11-Etheno-7H-pyridazino[4a(2),5a(2):3,4]cyclobuta[1,2-d][1,2,4]triazolo[1,2-a]pyridazine-7,9(8H)-dione (CAS 31618-66-3)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1541648-9 (accessed 2026-10-24).

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