Pyrido[4,3-d]pyrimidine

吡啶并[4,3-d]嘧啶

Also known as: 1,3,6-Triazanaphthalene, Pyrido[4,3-d]pyrimidine (7CI,8CI,9CI), pyrido[3,4-e]pyrimidine

Pyrido[4,3-d]pyrimidine (CAS 253-87-2) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C7H5N3 and a molecular weight of 131.13500 g/mol. It is also known as 1,3,6-Triazanaphthalene, Pyrido[4,3-d]pyrimidine (7CI,8CI,9CI) and pyrido[3,4-e]pyrimidine. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
253-87-2
Jingsj CID
J-1523006-7
Molecular Formula
C7H5N3
Chinese Name
吡啶并[4,3-d]嘧啶
Molecular Weight
131.13500 g/mol
Category
Pharma Intermediates
Last updated
8/21/2026

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Frequently Asked Questions

What is the CAS number of Pyrido[4,3-d]pyrimidine?

The CAS number of Pyrido[4,3-d]pyrimidine is 253-87-2.

What are the molecular formula and molecular weight of Pyrido[4,3-d]pyrimidine?

Pyrido[4,3-d]pyrimidine has molecular formula C7H5N3 and molecular weight 131.13500 g/mol.

Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.

Last updated:

How to cite: Jingsj. "Pyrido[4,3-d]pyrimidine (CAS 253-87-2)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1523006-7 (accessed 2026-10-25).

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