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4-Methoxycoumarin

4-甲氧基香豆素

Also known as: 4-METHOXYCOUMARIN, 4-METHOXYCOUMARINE, 4-Methoxy-2H-chromen-2-one, 2H-1-Benzopyran-2-one, 4-methoxy-, 4-Methoxy-2H-1-Benzopyran-2-one, 4-methoxychromen-2-one, MFCD00017349

4-Methoxycoumarin (CAS 20280-81-3) is a compound in the Organic Compounds category listed in the Jingsj chemical database. It has the molecular formula C10H8O3 and a molecular weight of 176.16900 g/mol. It is also known as 4-METHOXYCOUMARIN, 4-METHOXYCOUMARINE and 4-Methoxy-2H-chromen-2-one. Key properties include a melting point of 123-125°C, a boiling point of 347.8ºC at 760mmHg, a density of 1.26g/cm3 and a flash point of 144.5ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
20280-81-3
Jingsj CID
J-1319983-4
Molecular Formula
C10H8O3
Chinese Name
4-甲氧基香豆素
Molecular Weight
176.16900 g/mol
Category
Organic Compounds
Last updated
8/21/2026

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Physicochemical Properties

Melting Point123-125°C
Boiling Point347.8ºC at 760mmHg
Density1.26g/cm3
Flash Point144.5ºC

Frequently Asked Questions

What is the CAS number of 4-Methoxycoumarin?

The CAS number of 4-Methoxycoumarin is 20280-81-3.

What are the molecular formula and molecular weight of 4-Methoxycoumarin?

4-Methoxycoumarin has molecular formula C10H8O3 and molecular weight 176.16900 g/mol.

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

Last updated:

How to cite: Jingsj. "4-Methoxycoumarin (CAS 20280-81-3)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1319983-4 (accessed 2026-10-24).

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