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1-methyl-2-oxo-1,2-dihydroquinoline-4-carboxylic acid

Also known as: 1-methyl-2-oxoquinoline-4-carboxylic acid, 1-methyl-2-oxohydroquinoline-4-carboxylic acid, 4-Quinolinecarboxylic acid, 1,2-dihydro-1-methyl-2-oxo-, BB_NC-1954

1-methyl-2-oxo-1,2-dihydroquinoline-4-carboxylic acid (CAS 62542-44-3) 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. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
62542-44-3
Jingsj CID
J-1355176-3
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
PSA59.30000
LogP1.23670

Customs & Trade Information

HS Code2933790090
Summary2933790090. other lactams. VAT:17.0%. Tax rebate rate:9.0%. . MFN tariff:9.0%. General tariff:20.0%

Frequently Asked Questions

What is the CAS number of 1-methyl-2-oxo-1,2-dihydroquinoline-4-carboxylic acid?

The CAS number of 1-methyl-2-oxo-1,2-dihydroquinoline-4-carboxylic acid is 62542-44-3.

What are the molecular formula and molecular weight of 1-methyl-2-oxo-1,2-dihydroquinoline-4-carboxylic acid?

1-methyl-2-oxo-1,2-dihydroquinoline-4-carboxylic acid has molecular formula C11H9NO3 and molecular weight 203.19400 g/mol.

What are the upstream and downstream products of 1-methyl-2-oxo-1,2-dihydroquinoline-4-carboxylic acid?

For 1-methyl-2-oxo-1,2-dihydroquinoline-4-carboxylic acid, Upstream Products: 1-methyl-2-oxo-1,2-dihydroquinoline-4-carbaldehyde, 1,4-Dimethylquinolin-2(1H)-one, 2-Methylquinoline-4-carboxylic acid.

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

Last updated:

How to cite: Jingsj. "1-methyl-2-oxo-1,2-dihydroquinoline-4-carboxylic acid (CAS 62542-44-3)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1355176-3 (accessed 2026-11-09).

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