4H,5H,6H,7H,8H,9H-Pyrazolo[1,5-a]quinazolin-5-one

Also known as: 6,7,8,9-Tetrahydro-4H-pyrazolo[1,5-a]quinazolin-5-one, 6H,7H,8H,9H-pyrazolo[1,5-a]quinazolin-5-ol, Pyrazolo[1,5-a]quinazolin-5(4H)-one, 6,7,8,9-tetrahydro-

4H,5H,6H,7H,8H,9H-Pyrazolo[1,5-a]quinazolin-5-one (CAS 1566925-88-9) is a compound in the Organic Compounds category listed in the Jingsj chemical database. It has the molecular formula C10H11N3O and a molecular weight of 189.21 g/mol. It is also known as 6,7,8,9-Tetrahydro-4H-pyrazolo[1,5-a]quinazolin-5-one, 6H,7H,8H,9H-pyrazolo[1,5-a]quinazolin-5-ol and Pyrazolo[1,5-a]quinazolin-5(4H)-one, 6,7,8,9-tetrahydro-. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 1566925-88-9
Jingsj CID: J-1930237-5
Molecular Formula: C₁₀H₁₁N₃O
Molecular Weight: 189.21 g/mol
Category: Organic Compounds
Last updated: 8/21/2026

No offers for this compound yet.

Request a quote

Frequently Asked Questions

What is the CAS number of 4H,5H,6H,7H,8H,9H-Pyrazolo[1,5-a]quinazolin-5-one?

The CAS number of 4H,5H,6H,7H,8H,9H-Pyrazolo[1,5-a]quinazolin-5-one is 1566925-88-9.

What are the molecular formula and molecular weight of 4H,5H,6H,7H,8H,9H-Pyrazolo[1,5-a]quinazolin-5-one?

4H,5H,6H,7H,8H,9H-Pyrazolo[1,5-a]quinazolin-5-one has molecular formula C10H11N3O and molecular weight 189.21 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. "4H,5H,6H,7H,8H,9H-Pyrazolo[1,5-a]quinazolin-5-one (CAS 1566925-88-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1930237-5 (accessed 2026-10-23).

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