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3-Hydroxy-2-methylquinolin-4(1H)-one

Also known as: 1H-3-HYDROXY-4-OXOQUINALDINE, 2-Methyl-3,4-quinolinediol, 2-Methylquinoline-3,4-diol, 3,4-Quinolinediol, 2-methyl-, 3-hydroxy-2-methyl-1H-quinolin-4-one, 3-hydroxy-2-methyl-4-quinolone, 4(1H)-Quinolinone, 3-hydroxy-2-methyl-, HQD

3-Hydroxy-2-methylquinolin-4(1H)-one (CAS 34497-54-6) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C10H9NO2 and a molecular weight of 175.184 g/mol. Key properties include a boiling point of 359.5±37.0 °C at 760 mmHg, a density of 1.3±0.1 g/cm3 and a flash point of 171.2±26.5 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
34497-54-6
Jingsj CID
J-1046961-7
Molecular Formula
C10H9NO2
Molecular Weight
175.184 g/mol
Category
Pharma Intermediates
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point359.5±37.0 °C at 760 mmHg
Density1.3±0.1 g/cm3
Flash Point171.2±26.5 °C
Exact Mass175.063324
PSA53.09000
LogP3.04
Vapor Pressure0.0±0.8 mmHg at 25°C
Refractive Index1.710
Storage Conditions2-8°C

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 3-Hydroxy-2-methylquinolin-4(1H)-one?

The CAS number of 3-Hydroxy-2-methylquinolin-4(1H)-one is 34497-54-6.

What are the molecular formula and molecular weight of 3-Hydroxy-2-methylquinolin-4(1H)-one?

3-Hydroxy-2-methylquinolin-4(1H)-one has molecular formula C10H9NO2 and molecular weight 175.184 g/mol.

What are the upstream and downstream products of 3-Hydroxy-2-methylquinolin-4(1H)-one?

For 3-Hydroxy-2-methylquinolin-4(1H)-one, Upstream Products: Chloroacetone, 2-Methyl-1,4-dihydroquinolin-4-one.

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

Last updated:

How to cite: Jingsj. "3-Hydroxy-2-methylquinolin-4(1H)-one (CAS 34497-54-6)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1046961-7 (accessed 2026-11-06).

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