2-hydroxy-6-methoxyquinoline-3-carbaldehyde

2-羟基-6-甲氧基喹啉-3-甲醛

Also known as: 2-hydroxy-6-methoxyquinoline-3-carbaldehyde, 6-Methoxy-2-oxo-1,2-dihydroquinoline-3-carbaldehyde, 6-methoxy-2-oxo-1,2-dihydroquinolin-3-carboxaldehyde, 6-methoxy-2-oxo-1H-quinoline-3-carbaldehyde

2-hydroxy-6-methoxyquinoline-3-carbaldehyde (CAS 123990-78-3) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C11H9NO3 and a molecular weight of 203.19400 g/mol. It is also known as 6-Methoxy-2-oxo-1,2-dihydroquinoline-3-carbaldehyde, 6-methoxy-2-oxo-1,2-dihydroquinolin-3-carboxaldehyde and 6-methoxy-2-oxo-1H-quinoline-3-carbaldehyde. Key properties include a boiling point of 473.1ºC at 760 mmHg, a density of 1.348g/cm3 and a flash point of 239.9ºC. GHS signal word: Warning. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
123990-78-3
Jingsj CID
J-1511969-2
Molecular Formula
C11H9NO3
Chinese Name
2-羟基-6-甲氧基喹啉-3-甲醛
Molecular Weight
203.19400 g/mol
Category
Pharma Intermediates
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point473.1ºC at 760 mmHg
Density1.348g/cm3
Flash Point239.9ºC

GHS Safety & Compliance

IrritantSignal word: Warning

Frequently Asked Questions

What is the CAS number of 2-hydroxy-6-methoxyquinoline-3-carbaldehyde?

The CAS number of 2-hydroxy-6-methoxyquinoline-3-carbaldehyde is 123990-78-3.

What are the molecular formula and molecular weight of 2-hydroxy-6-methoxyquinoline-3-carbaldehyde?

2-hydroxy-6-methoxyquinoline-3-carbaldehyde has molecular formula C11H9NO3 and molecular weight 203.19400 g/mol.

Is 2-hydroxy-6-methoxyquinoline-3-carbaldehyde hazardous?

2-hydroxy-6-methoxyquinoline-3-carbaldehyde has GHS signal word Warning.

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

Last updated:

How to cite: Jingsj. "2-hydroxy-6-methoxyquinoline-3-carbaldehyde (CAS 123990-78-3)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1511969-2 (accessed 2026-10-24).

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