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Ethyl 4-hydroxy-6-methoxyquinoline-3-carboxylate

Also known as: Ethyl 1,4-dihydro-6-methoxy-4-oxoquinoline-3-carboxylate, 4-Hydroxy-6-methoxy-3-quinolinecarboxylic acid ethyl ester, Ethyl 6-methoxy-4-oxo-1H-quinoline-3-carboxylate, 4-HYDROXY-6-METHOXY-QUINOLINE-3-CARBOXYLIC ACID ETHYL ESTER

Ethyl 4-hydroxy-6-methoxyquinoline-3-carboxylate (CAS 77156-78-6) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C13H13NO4 and a molecular weight of 247.24700 g/mol. Key properties include a melting point of 280-283ºC, a boiling point of 394.7ºC at 760 mmHg, a density of 1.247g/cm3 and a flash point of 192.5ºC. It is classified under GHS with signal word Warning and hazard statements H319 — Causes serious eye irritation. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
77156-78-6
Jingsj CID
J-996957-7
Molecular Formula
C13H13NO4
Molecular Weight
247.24700 g/mol
Category
Pharma Intermediates
Last updated
8/21/2026
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Physicochemical Properties

Melting Point280-283ºC
Boiling Point394.7ºC at 760 mmHg
Density1.247g/cm3
Flash Point192.5ºC
Exact Mass247.08400
PSA68.65000
LogP2.12570
Refractive Index1.556

GHS Safety & Compliance

IrritantSignal word: Warning
  • H319 — Causes serious eye irritation

Frequently Asked Questions

What is the CAS number of Ethyl 4-hydroxy-6-methoxyquinoline-3-carboxylate?

The CAS number of Ethyl 4-hydroxy-6-methoxyquinoline-3-carboxylate is 77156-78-6.

What are the molecular formula and molecular weight of Ethyl 4-hydroxy-6-methoxyquinoline-3-carboxylate?

Ethyl 4-hydroxy-6-methoxyquinoline-3-carboxylate has molecular formula C13H13NO4 and molecular weight 247.24700 g/mol.

Is Ethyl 4-hydroxy-6-methoxyquinoline-3-carboxylate hazardous?

Ethyl 4-hydroxy-6-methoxyquinoline-3-carboxylate has GHS signal word Warning and hazard statements H319 — Causes serious eye irritation.

What are the upstream and downstream products of Ethyl 4-hydroxy-6-methoxyquinoline-3-carboxylate?

For Ethyl 4-hydroxy-6-methoxyquinoline-3-carboxylate, Upstream Products: Diethyl 2-[(4-methoxyanilino)methylene]malonate, p-Anisidine, Diethyl ethoxymethylenemalonate; Downstream Products: 4-Hydroxy-6-methoxyquinoline, 4-Hydroxy-6-methoxyquinoline-3-carboxylic acid, 4-Chloro-6-methoxyquinoline-3-carbonitrile.

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

Last updated:

How to cite: Jingsj. "Ethyl 4-hydroxy-6-methoxyquinoline-3-carboxylate (CAS 77156-78-6)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-996957-7 (accessed 2026-11-09).

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