1-Methylpyrimido[1,2-a]benzimidazol-2(1H)-one

1-甲基嘧啶并[1,2-a]苯并咪唑-2(1H)-酮

Also known as: 1-Methylpyrimido[1,2-a]benzimidazol-2(1H)-one, 1-methylbenzo[4,5]imidazo[1,2-a]pyrimidin-2(1H)-one, 1-methyl-1H-benzo[4,5]imidazo[1,2-a]pyrimidin-2-one, Pyrimido[1,2-a]benzimidazol-2(1H)-one, 1-methyl- (8CI,9CI)

1-Methylpyrimido[1,2-a]benzimidazol-2(1H)-one (CAS 26592-82-5) 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 199.20900 g/mol. It is also known as 1-methylbenzo[4,5]imidazo[1,2-a]pyrimidin-2(1H)-one, 1-methyl-1H-benzo[4,5]imidazo[1,2-a]pyrimidin-2-one and Pyrimido[1,2-a]benzimidazol-2(1H)-one, 1-methyl- (8CI,9CI). No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 26592-82-5
Jingsj CID: J-1128985-4
Molecular Formula: C₁₁H₉N₃O
Chinese Name: 1-甲基嘧啶并[1,2-a]苯并咪唑-2(1H)-酮
Molecular Weight: 199.20900 g/mol
Category: Pharma Intermediates
Last updated: 8/21/2026

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Frequently Asked Questions

What is the CAS number of 1-Methylpyrimido[1,2-a]benzimidazol-2(1H)-one?

The CAS number of 1-Methylpyrimido[1,2-a]benzimidazol-2(1H)-one is 26592-82-5.

What are the molecular formula and molecular weight of 1-Methylpyrimido[1,2-a]benzimidazol-2(1H)-one?

1-Methylpyrimido[1,2-a]benzimidazol-2(1H)-one has molecular formula C11H9N3O and molecular weight 199.20900 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. "1-Methylpyrimido[1,2-a]benzimidazol-2(1H)-one (CAS 26592-82-5)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1128985-4 (accessed 2026-10-24).

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