4,7-dichloroquinoline-3-carboxylic acid

4,7-二氯喹啉-3-羧酸

Also known as: 4,7-dichloro-3-quinolinecarboxylic acid, 3-Quinolinecarboxylic acid, 4,7-dichloro-, 4,7-dichloro-quinoline-3-carboxylic acid, Hydroxychloroquine Impurity 15, Hydroxychloroquine sulfate Impurity 20

4,7-dichloroquinoline-3-carboxylic acid (CAS 630067-21-9) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C10H5Cl2NO2 and a molecular weight of 242.058 g/mol. It is also known as 4,7-dichloro-3-quinolinecarboxylic acid, 3-Quinolinecarboxylic acid, 4,7-dichloro- and 4,7-dichloro-quinoline-3-carboxylic acid. Key properties include a boiling point of 384.9±37.0 °C at 760 mmHg, a density of 1.6±0.1 g/cm3 and a flash point of 186.6±26.5 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 630067-21-9
Jingsj CID: J-1520886-0
Molecular Formula: C₁₀H₅Cl₂NO₂
Chinese Name: 4,7-二氯喹啉-3-羧酸
Molecular Weight: 242.058 g/mol
Category: Pharma Intermediates
Last updated: 8/21/2026

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Physicochemical Properties

Boiling Point	384.9±37.0 °C at 760 mmHg
Density	1.6±0.1 g/cm3
Flash Point	186.6±26.5 °C

Frequently Asked Questions

What is the CAS number of 4,7-dichloroquinoline-3-carboxylic acid?

The CAS number of 4,7-dichloroquinoline-3-carboxylic acid is 630067-21-9.

What are the molecular formula and molecular weight of 4,7-dichloroquinoline-3-carboxylic acid?

4,7-dichloroquinoline-3-carboxylic acid has molecular formula C10H5Cl2NO2 and molecular weight 242.058 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. "4,7-dichloroquinoline-3-carboxylic acid (CAS 630067-21-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1520886-0 (accessed 2026-10-25).

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