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4-hydroxy-3-methylquinoline-2-carboxylic acid

Also known as: 3-methyl-4-oxo-1H-quinoline-2-carboxylic acid, Kynurenic acid, 3-methyl- (4CI), 4-Hydroxy-3-methyl-quinoline-2-carboxylic acid, 2-Quinolinecarboxylic acid, 4-hydroxy-3-methyl-, 4-hydroxy-3-methylquinoline-2-carboxylic acid, 3-methyl-4-hydroxy-2-carboxyquinoline, 4-Hydroxy-3-methyl-chinolin-2-carbonsaeure

4-hydroxy-3-methylquinoline-2-carboxylic acid (CAS 858488-66-1) 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. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
858488-66-1
Jingsj CID
J-1117952-5
Molecular Formula
C11H9NO3
Molecular Weight
203.19400 g/mol
Category
Pharma Intermediates
Last updated
8/21/2026
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Physicochemical Properties

Exact Mass203.05800
PSA70.16000
LogP1.53470

Customs & Trade Information

HS Code2933499090
Summary2933499090. other compounds containing in the structure a quinoline or isoquinoline ring-system (whether or not hydrogenated), not further fused. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%

Frequently Asked Questions

What is the CAS number of 4-hydroxy-3-methylquinoline-2-carboxylic acid?

The CAS number of 4-hydroxy-3-methylquinoline-2-carboxylic acid is 858488-66-1.

What are the molecular formula and molecular weight of 4-hydroxy-3-methylquinoline-2-carboxylic acid?

4-hydroxy-3-methylquinoline-2-carboxylic acid has molecular formula C11H9NO3 and molecular weight 203.19400 g/mol.

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

Last updated:

How to cite: Jingsj. "4-hydroxy-3-methylquinoline-2-carboxylic acid (CAS 858488-66-1)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1117952-5 (accessed 2026-11-09).

Data for reference only; verify product details with suppliers before purchase.