5-Methyl-3(2H)-benzofuranone
5-甲基-3(2H)-苯并呋喃酮
Also known as: 5-Methylbenzofuran-3(2H)-one, 5-Methyl-2,3-dihydro-1-benzofuran-3-one, 5-Methyl-3-oxo-2,3-dihydrobenzofuran, 5-Methyl-1-benzofuran-3(2H)-one, 5-METHYLBENZOFURAN-3-ONE
5-Methyl-3(2H)-benzofuranone (CAS 54120-66-0) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C9H8O2 and a molecular weight of 148.15900 g/mol. It is also known as 5-Methylbenzofuran-3(2H)-one, 5-Methyl-2,3-dihydro-1-benzofuran-3-one and 5-Methyl-3-oxo-2,3-dihydrobenzofuran. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 54120-66-0
- Jingsj CID
- J-1026622-9
- Molecular Formula
- C9H8O2
- Chinese Name
- 5-甲基-3(2H)-苯并呋喃酮
- Molecular Weight
- 148.15900 g/mol
- Category
- Pharma Intermediates
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quoteFrequently Asked Questions
What is the CAS number of 5-Methyl-3(2H)-benzofuranone?
The CAS number of 5-Methyl-3(2H)-benzofuranone is 54120-66-0.
What are the molecular formula and molecular weight of 5-Methyl-3(2H)-benzofuranone?
5-Methyl-3(2H)-benzofuranone has molecular formula C9H8O2 and molecular weight 148.15900 g/mol.
Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "5-Methyl-3(2H)-benzofuranone (CAS 54120-66-0)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1026622-9 (accessed 2026-10-22).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.