3-acetyl-7-methyl-2H-chromen-2-one

3-乙酰基-7-甲基-2H-色烯-2-酮

Also known as: 3-Acetyl-7-methylcoumarin, 3-acetyl-7-methyl-coumarin, 3-acetyl-7-methyl-2-chromenone, 3-acetyl-7-methylchromen-2-one, 3-acetyl-7-methyl-chromen-2-one, 3-ethanoyl-7-methyl-chromen-2-one, 3-Acetyl-7-methyl-2H-1-benzopyran-2-one, COUMARIN, 3-ACETYL-7-METHYL-, Albb-008115, 3-Acetyl-7-methyl-cumarin

3-acetyl-7-methyl-2H-chromen-2-one (CAS 20280-93-7) is a compound in the Ketones category listed in the Jingsj chemical database. It has the molecular formula C12H10O3 and a molecular weight of 202.20600 g/mol. It is also known as 3-Acetyl-7-methylcoumarin, 3-acetyl-7-methyl-coumarin and 3-acetyl-7-methyl-2-chromenone. Key properties include a boiling point of 403.2ºC at 760mmHg, a density of 1.243g/cm3 and a flash point of 183.4ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
20280-93-7
Jingsj CID
J-1152127-9
Molecular Formula
C12H10O3
Chinese Name
3-乙酰基-7-甲基-2H-色烯-2-酮
Molecular Weight
202.20600 g/mol
Category
Ketones
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point403.2ºC at 760mmHg
Density1.243g/cm3
Flash Point183.4ºC

Frequently Asked Questions

What is the CAS number of 3-acetyl-7-methyl-2H-chromen-2-one?

The CAS number of 3-acetyl-7-methyl-2H-chromen-2-one is 20280-93-7.

What are the molecular formula and molecular weight of 3-acetyl-7-methyl-2H-chromen-2-one?

3-acetyl-7-methyl-2H-chromen-2-one has molecular formula C12H10O3 and molecular weight 202.20600 g/mol.

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

Last updated:

How to cite: Jingsj. "3-acetyl-7-methyl-2H-chromen-2-one (CAS 20280-93-7)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1152127-9 (accessed 2026-10-25).

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