5-(2-bromoacetyl)-4-methylisobenzofuran-1(3H)-one

5-(2-溴乙酰基)-4-甲基异苯并呋喃-1(3H)-酮

Also known as: 1(3H)-Isobenzofuranone, 5-(2-bromoacetyl)-4-methyl-, 5-(2-bromo-acetyl)-4-methyl-3H-isobenzofuran-1-one, 5-(bromoacetyl)-4-methyl-2-benzofuran-1(3H)-one

5-(2-bromoacetyl)-4-methylisobenzofuran-1(3H)-one (CAS 1255206-75-7) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C11H9BrO3 and a molecular weight of 269.09100 g/mol. It is also known as 1(3H)-Isobenzofuranone, 5-(2-bromoacetyl)-4-methyl-, 5-(2-bromo-acetyl)-4-methyl-3H-isobenzofuran-1-one and 5-(bromoacetyl)-4-methyl-2-benzofuran-1(3H)-one. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 1255206-75-7
Jingsj CID: J-1185102-8
Molecular Formula: C₁₁H₉BrO₃
Chinese Name: 5-(2-溴乙酰基)-4-甲基异苯并呋喃-1(3H)-酮
Molecular Weight: 269.09100 g/mol
Category: Pharma Intermediates
Last updated: 8/21/2026

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Frequently Asked Questions

What is the CAS number of 5-(2-bromoacetyl)-4-methylisobenzofuran-1(3H)-one?

The CAS number of 5-(2-bromoacetyl)-4-methylisobenzofuran-1(3H)-one is 1255206-75-7.

What are the molecular formula and molecular weight of 5-(2-bromoacetyl)-4-methylisobenzofuran-1(3H)-one?

5-(2-bromoacetyl)-4-methylisobenzofuran-1(3H)-one has molecular formula C11H9BrO3 and molecular weight 269.09100 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-(2-bromoacetyl)-4-methylisobenzofuran-1(3H)-one (CAS 1255206-75-7)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1185102-8 (accessed 2026-10-25).

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