1,6-Dimethyl-4-oxo-1,4-dihydroquinoline-3-carboxylic acid

1,6-二甲基-4-氧代-1,4-二氢喹啉-3-羧酸

Also known as: 1,6-dimethyl-4-oxo-1,4-dihydroquinoline-3-carboxylic acid(SALTDATA: FREE), 1,6-dimethyl-4-oxoquinoline-3-carboxylic acid, 1,6-dimethyl-4-oxohydroquinoline-3-carboxylic acid, 3-Quinolinecarboxylic acid, 1,4-dihydro-1,6-dimethyl-4-oxo-, 1,6-dimethyl-4-oxo-1,4-dihydro-3-quinolinecarboxylic acid

1,6-Dimethyl-4-oxo-1,4-dihydroquinoline-3-carboxylic acid (CAS 51726-43-3) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C12H11NO3 and a molecular weight of 217.22100 g/mol. It is also known as 1,6-dimethyl-4-oxo-1,4-dihydroquinoline-3-carboxylic acid(SALTDATA: FREE), 1,6-dimethyl-4-oxoquinoline-3-carboxylic acid and 1,6-dimethyl-4-oxohydroquinoline-3-carboxylic acid. Key properties include a boiling point of 389.9ºC at 760 mmHg, a density of 1.327g/cm3 and a flash point of 189.6ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
51726-43-3
Jingsj CID
J-1118551-2
Molecular Formula
C12H11NO3
Chinese Name
1,6-二甲基-4-氧代-1,4-二氢喹啉-3-羧酸
Molecular Weight
217.22100 g/mol
Category
Pharma Intermediates
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point389.9ºC at 760 mmHg
Density1.327g/cm3
Flash Point189.6ºC

Frequently Asked Questions

What is the CAS number of 1,6-Dimethyl-4-oxo-1,4-dihydroquinoline-3-carboxylic acid?

The CAS number of 1,6-Dimethyl-4-oxo-1,4-dihydroquinoline-3-carboxylic acid is 51726-43-3.

What are the molecular formula and molecular weight of 1,6-Dimethyl-4-oxo-1,4-dihydroquinoline-3-carboxylic acid?

1,6-Dimethyl-4-oxo-1,4-dihydroquinoline-3-carboxylic acid has molecular formula C12H11NO3 and molecular weight 217.22100 g/mol.

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

Last updated:

How to cite: Jingsj. "1,6-Dimethyl-4-oxo-1,4-dihydroquinoline-3-carboxylic acid (CAS 51726-43-3)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1118551-2 (accessed 2026-10-25).

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