2-methyl-1H-pyrazolo[5,1-b]quinazolin-9-one

2-甲基-1H-吡唑并[5,1-b]喹唑啉-9-酮

2-methyl-1H-pyrazolo[5,1-b]quinazolin-9-one (CAS 74336-55-3) 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. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 74336-55-3
Jingsj CID: J-109628-6
Molecular Formula: C₁₁H₉N₃O
Chinese Name: 2-甲基-1H-吡唑并[5,1-b]喹唑啉-9-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 2-methyl-1H-pyrazolo[5,1-b]quinazolin-9-one?

The CAS number of 2-methyl-1H-pyrazolo[5,1-b]quinazolin-9-one is 74336-55-3.

What are the molecular formula and molecular weight of 2-methyl-1H-pyrazolo[5,1-b]quinazolin-9-one?

2-methyl-1H-pyrazolo[5,1-b]quinazolin-9-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. "2-methyl-1H-pyrazolo[5,1-b]quinazolin-9-one (CAS 74336-55-3)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-109628-6 (accessed 2026-10-25).

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