Pyrimido[4,5-d]-1,2,3-triazine (9CI)

(9CI)-嘧啶并[4,5-d]-1,2,3-三嗪

Also known as: 1,2,3,6,8-Pentaazanaphthalene, pyrimido[4,5-d]-1,2,3-triazine, pyrimido[4,5-d]triazine

Pyrimido[4,5-d]-1,2,3-triazine (9CI) (CAS 6133-64-8) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C5H3N5 and a molecular weight of 133.11100 g/mol. It is also known as 1,2,3,6,8-Pentaazanaphthalene, pyrimido[4,5-d]-1,2,3-triazine and pyrimido[4,5-d]triazine. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 6133-64-8
Jingsj CID: J-891452-9
Molecular Formula: C₅H₃N₅
Chinese Name: (9CI)-嘧啶并[4,5-d]-1,2,3-三嗪
Molecular Weight: 133.11100 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-d]-1,2,3-triazine (9CI)?

The CAS number of Pyrimido[4,5-d]-1,2,3-triazine (9CI) is 6133-64-8.

What are the molecular formula and molecular weight of Pyrimido[4,5-d]-1,2,3-triazine (9CI)?

Pyrimido[4,5-d]-1,2,3-triazine (9CI) has molecular formula C5H3N5 and molecular weight 133.11100 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-d]-1,2,3-triazine (9CI) (CAS 6133-64-8)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-891452-9 (accessed 2026-10-24).

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