6,7-Dimethoxy-4-(1-piperazinyl)quinazoline

6,7-二甲氧基-4-哌嗪-1-基-喹唑啉

Also known as: 4-(1-piperazinyl)-6,7-dimethoxyquinazoline, 4-piperazinyl-6,7-dimethoxyquinazoline, 6,7-dimethoxy-4-(1-piperazinyl)quinazoline, 6,7-dimethoxy-4-(piperazin-1-yl)quinazoline, 6,7-dimethoxy-4-piperazin-1-ylquinazoline, 1-(6,7-dimethoxyquinazolin-4-yl)piperazine, Quinazoline, 6,7-dimethoxy-4-(1-piperazinyl)-

6,7-Dimethoxy-4-(1-piperazinyl)quinazoline (CAS 21584-72-5) is a compound in the Organic Compounds category listed in the Jingsj chemical database. It has the molecular formula C14H18N4O2 and a molecular weight of 274.31800 g/mol. It is also known as 4-(1-piperazinyl)-6,7-dimethoxyquinazoline, 4-piperazinyl-6,7-dimethoxyquinazoline and 6,7-dimethoxy-4-(1-piperazinyl)quinazoline. Key properties include a melting point of 151-153 °C, a boiling point of 462.2ºC at 760 mmHg, a density of 1.212g/cm3 and a flash point of 233.4ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
21584-72-5
Jingsj CID
J-1503610-6
Molecular Formula
C14H18N4O2
Chinese Name
6,7-二甲氧基-4-哌嗪-1-基-喹唑啉
Molecular Weight
274.31800 g/mol
Category
Organic Compounds
Last updated
8/21/2026

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Physicochemical Properties

Melting Point151-153 °C
Boiling Point462.2ºC at 760 mmHg
Density1.212g/cm3
Flash Point233.4ºC

Frequently Asked Questions

What is the CAS number of 6,7-Dimethoxy-4-(1-piperazinyl)quinazoline?

The CAS number of 6,7-Dimethoxy-4-(1-piperazinyl)quinazoline is 21584-72-5.

What are the molecular formula and molecular weight of 6,7-Dimethoxy-4-(1-piperazinyl)quinazoline?

6,7-Dimethoxy-4-(1-piperazinyl)quinazoline has molecular formula C14H18N4O2 and molecular weight 274.31800 g/mol.

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

Last updated:

How to cite: Jingsj. "6,7-Dimethoxy-4-(1-piperazinyl)quinazoline (CAS 21584-72-5)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1503610-6 (accessed 2026-10-25).

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