Pyrimido[4,5-c]pyridazine (7CI,8CI,9CI)

(7CI,8CI,9CI)-嘧啶并[4,5-c]吡嗪

Also known as: 1,2,6,8-Tetraazanaphthalene, Pyridazino[3,4-d]pyrimidine, Pyrimido[4,5-c]pyridazine, Pyrimido[4,5-c]pyridazine (7CI,8CI,9CI)

Pyrimido[4,5-c]pyridazine (7CI,8CI,9CI) (CAS 254-62-6) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C6H4N4 and a molecular weight of 132.12300 g/mol. It is also known as 1,2,6,8-Tetraazanaphthalene, Pyridazino[3,4-d]pyrimidine and Pyrimido[4,5-c]pyridazine. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 254-62-6
Jingsj CID: J-1317437-6
Molecular Formula: C₆H₄N₄
Chinese Name: (7CI,8CI,9CI)-嘧啶并[4,5-c]吡嗪
Molecular Weight: 132.12300 g/mol
Category: Pharma Intermediates
Last updated: 8/21/2026

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Frequently Asked Questions

What is the CAS number of Pyrimido[4,5-c]pyridazine (7CI,8CI,9CI)?

The CAS number of Pyrimido[4,5-c]pyridazine (7CI,8CI,9CI) is 254-62-6.

What are the molecular formula and molecular weight of Pyrimido[4,5-c]pyridazine (7CI,8CI,9CI)?

Pyrimido[4,5-c]pyridazine (7CI,8CI,9CI) has molecular formula C6H4N4 and molecular weight 132.12300 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. "Pyrimido[4,5-c]pyridazine (7CI,8CI,9CI) (CAS 254-62-6)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1317437-6 (accessed 2026-10-25).

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