Ethyl isoquinoline-4-carboxylate

Also known as: Ethyl 4-isoquinolinecarboxylate, 4-isoquinolinecarboxylic acid ethyl ester, 4-ethoxycarbonylisoquinoline

Ethyl isoquinoline-4-carboxylate (CAS 50741-47-4) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C12H11NO2 and a molecular weight of 201.221 g/mol. Key properties include a melting point of 49℃, a boiling point of 328.5±15.0 °C at 760 mmHg, a density of 1.2±0.1 g/cm3 and a flash point of 152.5±20.4 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 50741-47-4
Jingsj CID: J-1320129-1
Molecular Formula: C₁₂H₁₁NO₂
Molecular Weight: 201.221 g/mol
Category: Pharma Intermediates
Last updated: 8/21/2026

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Physicochemical Properties

Melting Point	49℃
Boiling Point	328.5±15.0 °C at 760 mmHg
Density	1.2±0.1 g/cm3
Flash Point	152.5±20.4 °C
Exact Mass	201.078979
PSA	39.19000
LogP	2.64
Vapor Pressure	0.0±0.7 mmHg at 25°C
Refractive Index	1.600

Customs & Trade Information

HS Code	2933499090
Summary	2933499090. 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 Ethyl isoquinoline-4-carboxylate?

The CAS number of Ethyl isoquinoline-4-carboxylate is 50741-47-4.

What are the molecular formula and molecular weight of Ethyl isoquinoline-4-carboxylate?

Ethyl isoquinoline-4-carboxylate has molecular formula C12H11NO2 and molecular weight 201.221 g/mol.

What are the upstream and downstream products of Ethyl isoquinoline-4-carboxylate?

For Ethyl isoquinoline-4-carboxylate, Upstream Products: 4-Bromoisoquinoline, Ethanol, Isoquinoline-4-carboxylic acid.

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

Last updated: 8/21/2026

How to cite: Jingsj. "Ethyl isoquinoline-4-carboxylate (CAS 50741-47-4)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1320129-1 (accessed 2026-11-09).

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