5,7-Dichloro-1,2-benzoxazol-3(2H)-one

5,7-二氯-1,2-苯并异噁唑-3(2H)-酮

Also known as: 5,7-Dichlorobenzisoxazol-3(2H)-one, 5,7-Dichlorobenz[d]isoxazol-3(2H)-one, 5,7-Dichloro-3-hydroxy-1,2-benzisoxazole, 1,2-Benzisoxazol-3(2H)-one, 5,7-dichloro-

5,7-Dichloro-1,2-benzoxazol-3(2H)-one (CAS 66571-27-5) is a compound in the Ketones category listed in the Jingsj chemical database. It has the molecular formula C7H3Cl2NO2 and a molecular weight of 204.01 g/mol. It is also known as 5,7-Dichlorobenzisoxazol-3(2H)-one, 5,7-Dichlorobenz[d]isoxazol-3(2H)-one and 5,7-Dichloro-3-hydroxy-1,2-benzisoxazole. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 66571-27-5
Jingsj CID: J-1097921-9
Molecular Formula: C₇H₃Cl₂NO₂
Chinese Name: 5,7-二氯-1,2-苯并异噁唑-3(2H)-酮
Molecular Weight: 204.01 g/mol
Category: Ketones
Last updated: 8/21/2026

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Frequently Asked Questions

What is the CAS number of 5,7-Dichloro-1,2-benzoxazol-3(2H)-one?

The CAS number of 5,7-Dichloro-1,2-benzoxazol-3(2H)-one is 66571-27-5.

What are the molecular formula and molecular weight of 5,7-Dichloro-1,2-benzoxazol-3(2H)-one?

5,7-Dichloro-1,2-benzoxazol-3(2H)-one has molecular formula C7H3Cl2NO2 and molecular weight 204.01 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-Dichloro-1,2-benzoxazol-3(2H)-one (CAS 66571-27-5)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1097921-9 (accessed 2026-10-25).

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