4-hydroxy-7,8-dimethoxyquinoline

4-羟基-7,8-二甲氧基喹啉

Also known as: 7,8-dimethoxy-4(1H)-quinolone, 4(1H)-Quinolinone, 7,8-dimethoxy-

4-hydroxy-7,8-dimethoxyquinoline (CAS 99878-76-9) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C11H11NO3 and a molecular weight of 205.21000 g/mol. It is also known as 7,8-dimethoxy-4(1H)-quinolone and 4(1H)-Quinolinone, 7,8-dimethoxy-. Key properties include a boiling point of 351.7ºC at 760 mmHg, a density of 1.206g/cm3 and a flash point of 166.5ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
99878-76-9
Jingsj CID
J-1444167-7
Molecular Formula
C11H11NO3
Chinese Name
4-羟基-7,8-二甲氧基喹啉
Molecular Weight
205.21000 g/mol
Category
Pharma Intermediates
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point351.7ºC at 760 mmHg
Density1.206g/cm3
Flash Point166.5ºC

Frequently Asked Questions

What is the CAS number of 4-hydroxy-7,8-dimethoxyquinoline?

The CAS number of 4-hydroxy-7,8-dimethoxyquinoline is 99878-76-9.

What are the molecular formula and molecular weight of 4-hydroxy-7,8-dimethoxyquinoline?

4-hydroxy-7,8-dimethoxyquinoline has molecular formula C11H11NO3 and molecular weight 205.21000 g/mol.

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

Last updated:

How to cite: Jingsj. "4-hydroxy-7,8-dimethoxyquinoline (CAS 99878-76-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1444167-7 (accessed 2026-10-24).

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