Coumarin 338

香豆素338

Also known as: tert-Butyl 2,3,6,7-tetrahydro-11-oxo-7H,5H,11H-[1]benzopyrano[6,7,8-ij]quinolizine-10-carboxylate, 1,2,3,5,6,7-Hexahydro-11-oxo-11H-[1]benzopyrano[6,7,8-ij]quinolizine-10-carboxylic acid tert-butyl ester, MFCD00051333, EINECS 263-688-3

Coumarin 338 (CAS 62669-75-4) is a compound in the Organic Compounds category listed in the Jingsj chemical database. It has the molecular formula C20H23NO4 and a molecular weight of 341.40100 g/mol. It is also known as tert-Butyl 2,3,6,7-tetrahydro-11-oxo-7H,5H,11H-[1]benzopyrano[6,7,8-ij]quinolizine-10-carboxylate, 1,2,3,5,6,7-Hexahydro-11-oxo-11H-[1]benzopyrano[6,7,8-ij]quinolizine-10-carboxylic acid tert-butyl ester and MFCD00051333. Key properties include a melting point of 171ºC, a boiling point of 544ºC at 760 mmHg and a density of 1.27 g/cm3. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 62669-75-4
Jingsj CID: J-23698-8
Molecular Formula: C₂₀H₂₃NO₄
Chinese Name: 香豆素338
Molecular Weight: 341.40100 g/mol
Category: Organic Compounds
Last updated: 8/21/2026

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Physicochemical Properties

Melting Point	171ºC
Boiling Point	544ºC at 760 mmHg
Density	1.27 g/cm3

Frequently Asked Questions

What is the CAS number of Coumarin 338?

The CAS number of Coumarin 338 is 62669-75-4.

What are the molecular formula and molecular weight of Coumarin 338?

Coumarin 338 has molecular formula C20H23NO4 and molecular weight 341.40100 g/mol.

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

Last updated: 8/21/2026

How to cite: Jingsj. "Coumarin 338 (CAS 62669-75-4)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-23698-8 (accessed 2026-10-23).

Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.