7-Methylpyrimido[4,5-d]pyrimidin-4(3H)-one

Also known as: 7-methylpyrimido[4,5-d]pyrimidin-4-ol, 7-methyl-3H,4H-pyrimido[4,5-d][1,3]diazin-4-one, 7-methylpyrimido[4,5-d]pyrimidin-4(3H)-one, Pyrimido[4,5-d]pyrimidin-4(3H)-one, 7-methyl-, 7-methyl-3H-pyrimido[4,5-d]pyrimidin-4-one

7-Methylpyrimido[4,5-d]pyrimidin-4(3H)-one (CAS 120208-35-7) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C7H6N4O and a molecular weight of 162.14900 g/mol. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 120208-35-7
Jingsj CID: J-1505394-8
Molecular Formula: C₇H₆N₄O
Molecular Weight: 162.14900 g/mol
Category: Pharma Intermediates
Last updated: 8/21/2026

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Physicochemical Properties

Exact Mass	162.05400
PSA	71.53000
LogP	0.02150

Frequently Asked Questions

What is the CAS number of 7-Methylpyrimido[4,5-d]pyrimidin-4(3H)-one?

The CAS number of 7-Methylpyrimido[4,5-d]pyrimidin-4(3H)-one is 120208-35-7.

What are the molecular formula and molecular weight of 7-Methylpyrimido[4,5-d]pyrimidin-4(3H)-one?

7-Methylpyrimido[4,5-d]pyrimidin-4(3H)-one has molecular formula C7H6N4O and molecular weight 162.14900 g/mol.

What are the upstream and downstream products of 7-Methylpyrimido[4,5-d]pyrimidin-4(3H)-one?

For 7-Methylpyrimido[4,5-d]pyrimidin-4(3H)-one, Upstream Products: 4-amino-2-methylpyrimidine-5-carbonitrile, Triethyl orthoformate.

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

Last updated: 8/21/2026

How to cite: Jingsj. "7-Methylpyrimido[4,5-d]pyrimidin-4(3H)-one (CAS 120208-35-7)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1505394-8 (accessed 2026-11-09).

Data for reference only; verify product details with suppliers before purchase.