5,7-Dichlorobenzofuran-3(2H)-one

5,7-二氯苯并呋喃-3(2H)-酮

Also known as: 5,7-DICHLORO-BENZOFURAN-3-ONE, 3(2H)-Benzofuranone, 5,7-dichloro-, 5,7-Dichloro-3(2H)-benzofuranone, 5,7-Dichlorobenzo[b]furan-3(2H)-one, 5,7-Dichloro-2,3-dihydro-1-benzofuran-3-one, 5,7-dichloro-1-benzofuran-3-one, 5,7-Dichloro-2,3-dihydro-3-oxobenzo[b]furan

5,7-Dichlorobenzofuran-3(2H)-one (CAS 74815-20-6) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C8H4Cl2O2 and a molecular weight of 203.02200 g/mol. It is also known as 5,7-DICHLORO-BENZOFURAN-3-ONE, 3(2H)-Benzofuranone, 5,7-dichloro- and 5,7-Dichloro-3(2H)-benzofuranone. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 74815-20-6
Jingsj CID: J-1168640-6
Molecular Formula: C₈H₄Cl₂O₂
Chinese Name: 5,7-二氯苯并呋喃-3(2H)-酮
Molecular Weight: 203.02200 g/mol
Category: Pharma Intermediates
Last updated: 8/21/2026

No offers for this compound yet.

Request a quote

Frequently Asked Questions

What is the CAS number of 5,7-Dichlorobenzofuran-3(2H)-one?

The CAS number of 5,7-Dichlorobenzofuran-3(2H)-one is 74815-20-6.

What are the molecular formula and molecular weight of 5,7-Dichlorobenzofuran-3(2H)-one?

5,7-Dichlorobenzofuran-3(2H)-one has molecular formula C8H4Cl2O2 and molecular weight 203.02200 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. "5,7-Dichlorobenzofuran-3(2H)-one (CAS 74815-20-6)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1168640-6 (accessed 2026-10-25).

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