8-Methyl-3H-pyrimido[5,4-b]indol-4(5H)-one

8-甲基-3H-嘧啶并[5,4-b]吲哚-4(5H)-酮

Also known as: 4H-Pyrimido[5,4-b]indol-4-one, 3,5-dihydro-8-methyl-, 8-Methyl-3,5-dihydro-4h-pyrimido[5,4-b]indol-4-one

8-Methyl-3H-pyrimido[5,4-b]indol-4(5H)-one (CAS 296264-35-2) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C11H9N3O and a molecular weight of 199.21 g/mol. It is also known as 4H-Pyrimido[5,4-b]indol-4-one, 3,5-dihydro-8-methyl- and 8-Methyl-3,5-dihydro-4h-pyrimido[5,4-b]indol-4-one. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 296264-35-2
Jingsj CID: J-816210-8
Molecular Formula: C₁₁H₉N₃O
Chinese Name: 8-甲基-3H-嘧啶并[5,4-b]吲哚-4(5H)-酮
Molecular Weight: 199.21 g/mol
Category: Pharma Intermediates
Last updated: 8/21/2026

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Frequently Asked Questions

What is the CAS number of 8-Methyl-3H-pyrimido[5,4-b]indol-4(5H)-one?

The CAS number of 8-Methyl-3H-pyrimido[5,4-b]indol-4(5H)-one is 296264-35-2.

What are the molecular formula and molecular weight of 8-Methyl-3H-pyrimido[5,4-b]indol-4(5H)-one?

8-Methyl-3H-pyrimido[5,4-b]indol-4(5H)-one has molecular formula C11H9N3O and molecular weight 199.21 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. "8-Methyl-3H-pyrimido[5,4-b]indol-4(5H)-one (CAS 296264-35-2)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-816210-8 (accessed 2026-10-24).

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