7-benzyl-2-(4-methylphenyl)-3H,4H,5H,6H,7H,8H-pyrido[3,4-d]pyrimidin-4-one

7-苄基-2-(4-甲基苯基)-3,4,5,6,7,8-六氢吡啶并[3,4-d]嘧啶-4-酮

Also known as: 7-benzyl-2-(4-methylphenyl)-5,6,7,8-tetrahydropyrido[3,4-d]pyrimidin-4(3H)-one, Pyrido[3,4-d]pyrimidin-4(3H)-one, 5,6,7,8-tetrahydro-2-(4-methylphenyl)-7-(phenylmethyl)-

7-benzyl-2-(4-methylphenyl)-3H,4H,5H,6H,7H,8H-pyrido[3,4-d]pyrimidin-4-one (CAS 1031990-66-5) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C21H21N3O and a molecular weight of 331.4 g/mol. It is also known as 7-benzyl-2-(4-methylphenyl)-5,6,7,8-tetrahydropyrido[3,4-d]pyrimidin-4(3H)-one and Pyrido[3,4-d]pyrimidin-4(3H)-one, 5,6,7,8-tetrahydro-2-(4-methylphenyl)-7-(phenylmethyl)-. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
1031990-66-5
Jingsj CID
J-768032-6
Molecular Formula
C21H21N3O
Chinese Name
7-苄基-2-(4-甲基苯基)-3,4,5,6,7,8-六氢吡啶并[3,4-d]嘧啶-4-酮
Molecular Weight
331.4 g/mol
Category
Pharma Intermediates
Last updated
8/21/2026

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Frequently Asked Questions

What is the CAS number of 7-benzyl-2-(4-methylphenyl)-3H,4H,5H,6H,7H,8H-pyrido[3,4-d]pyrimidin-4-one?

The CAS number of 7-benzyl-2-(4-methylphenyl)-3H,4H,5H,6H,7H,8H-pyrido[3,4-d]pyrimidin-4-one is 1031990-66-5.

What are the molecular formula and molecular weight of 7-benzyl-2-(4-methylphenyl)-3H,4H,5H,6H,7H,8H-pyrido[3,4-d]pyrimidin-4-one?

7-benzyl-2-(4-methylphenyl)-3H,4H,5H,6H,7H,8H-pyrido[3,4-d]pyrimidin-4-one has molecular formula C21H21N3O and molecular weight 331.4 g/mol.

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

Last updated:

How to cite: Jingsj. "7-benzyl-2-(4-methylphenyl)-3H,4H,5H,6H,7H,8H-pyrido[3,4-d]pyrimidin-4-one (CAS 1031990-66-5)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-768032-6 (accessed 2026-10-24).

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