3-(Bromomethyl)-7-methoxy-2H-1,4-benzoxazin-2-one

3-溴甲基-7-甲氧基-1,4-苯并恶嗪-2-酮

Also known as: 2H-1,4-Benzoxazin-2-one, 3-(bromomethyl)-7-methoxy-, 3-(Bromomethyl)-7-methoxy-2H-benzo[b][1,4]oxazin-2-one, 3-Bromomethyl-7-methoxy-1,4-benzoxazin-2-one, 3-Bromomethyl-7-methoxy-1,4-benzoxazin-2-one [for HPLC labeling], 3-BROMOMETHYL-7-METHOXY-1,4-BENZOXAZIN-2-ONE [FOR HPLC LABELING], BrMB, MFCD00143099

3-(Bromomethyl)-7-methoxy-2H-1,4-benzoxazin-2-one (CAS 124522-09-4) is a compound in the Ketones category listed in the Jingsj chemical database. It has the molecular formula C10H8BrNO3 and a molecular weight of 270.079 g/mol. It is also known as 2H-1,4-Benzoxazin-2-one, 3-(bromomethyl)-7-methoxy-, 3-(Bromomethyl)-7-methoxy-2H-benzo[b][1,4]oxazin-2-one and 3-Bromomethyl-7-methoxy-1,4-benzoxazin-2-one. Key properties include a melting point of 144-148ºC, a boiling point of 376.9±52.0 °C at 760 mmHg, a density of 1.7±0.1 g/cm3 and a flash point of 181.8±30.7 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 124522-09-4
Jingsj CID: J-20864-0
Molecular Formula: C₁₀H₈BrNO₃
Chinese Name: 3-溴甲基-7-甲氧基-1,4-苯并恶嗪-2-酮
Molecular Weight: 270.079 g/mol
Category: Ketones
Last updated: 8/21/2026

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Physicochemical Properties

Melting Point	144-148ºC
Boiling Point	376.9±52.0 °C at 760 mmHg
Density	1.7±0.1 g/cm3
Flash Point	181.8±30.7 °C

Frequently Asked Questions

What is the CAS number of 3-(Bromomethyl)-7-methoxy-2H-1,4-benzoxazin-2-one?

The CAS number of 3-(Bromomethyl)-7-methoxy-2H-1,4-benzoxazin-2-one is 124522-09-4.

What are the molecular formula and molecular weight of 3-(Bromomethyl)-7-methoxy-2H-1,4-benzoxazin-2-one?

3-(Bromomethyl)-7-methoxy-2H-1,4-benzoxazin-2-one has molecular formula C10H8BrNO3 and molecular weight 270.079 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. "3-(Bromomethyl)-7-methoxy-2H-1,4-benzoxazin-2-one (CAS 124522-09-4)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-20864-0 (accessed 2026-10-24).

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