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Pirquinozol

吡喹诺唑

Also known as: 2-(Hydroxymethyl)-5H,6H-pyrazolo[1,5-c]quinazolin-5-one, 2-(Hydroxymethyl)pyrazolo[1,5-c]quinazolin-5(6H)-one, 2-(hydroxymethyl)-3H-pyrazolo[1,5-c]quinazolin-5-one, 2-(hydroxymethyl)pyrazolo-[1,5-c]quinazolin-5(6H)-one, 2-hydroxymethyl-6H-pyrazolo[1,5-c]quinazolin-5-one, Pirquinozole, Pirquinozolum, Pyrazolo[1,5-c]quinazolin-5(6H)-one, 2-(hydroxymethyl)-, SQ-13847, UNII-D16HG4V2UC

Pirquinozol (CAS 65950-99-4) is a compound in the Organic Compounds category listed in the Jingsj chemical database. It has the molecular formula C11H9N3O2 and a molecular weight of 215.20800 g/mol. It is also known as 2-(Hydroxymethyl)-5H,6H-pyrazolo[1,5-c]quinazolin-5-one, 2-(Hydroxymethyl)pyrazolo[1,5-c]quinazolin-5(6H)-one and 2-(hydroxymethyl)-3H-pyrazolo[1,5-c]quinazolin-5-one. Key properties include a boiling point of 505.3ºC at 760 mmHg, a density of 1.54g/cm3 and a flash point of 259.4ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
65950-99-4
Jingsj CID
J-1334289-0
Molecular Formula
C11H9N3O2
Chinese Name
吡喹诺唑
Molecular Weight
215.20800 g/mol
Category
Organic Compounds
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point505.3ºC at 760 mmHg
Density1.54g/cm3
Flash Point259.4ºC

Frequently Asked Questions

What is the CAS number of Pirquinozol?

The CAS number of Pirquinozol is 65950-99-4.

What are the molecular formula and molecular weight of Pirquinozol?

Pirquinozol has molecular formula C11H9N3O2 and molecular weight 215.20800 g/mol.

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

Last updated:

How to cite: Jingsj. "Pirquinozol (CAS 65950-99-4)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1334289-0 (accessed 2026-10-25).

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