8-bromo-4H-[1,2,4]oxadiazolo[3,4-c][1,4]benzoxazin-1-one

8-溴-1H,4H-[1,2,4]恶二唑并[3,4-c][1,4]苯并恶嗪-1-酮

Also known as: NS-2028, NS 2028, 4H-8-Bromo-1,2,4-oxadiazolo[3,4-d]benz[b][1,4]oxazin-1-one, 1H,4H-[1,2,4]Oxadiazolo[3,4-c][1,4]benzoxazin-1-one, 8-bromo-, 8-bromo-4H-[1,2,4]oxadiazolo[3,4-c][1,4]benzoxazin-1-one

8-bromo-4H-[1,2,4]oxadiazolo[3,4-c][1,4]benzoxazin-1-one (CAS 204326-43-2) is a compound in the Ketones category listed in the Jingsj chemical database. It has the molecular formula C9H5BrN2O3 and a molecular weight of 269.052 g/mol. It is also known as NS-2028, NS 2028 and 4H-8-Bromo-1,2,4-oxadiazolo[3,4-d]benz[b][1,4]oxazin-1-one. Key properties include a melting point of 161-162ºC, a boiling point of 353.8±52.0 °C at 760 mmHg, a density of 2.1±0.1 g/cm3 and a flash point of 167.8±30.7 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.

204326-43-2

Jingsj CID

J-1958801-2

Molecular Formula

C₉H₅BrN₂O₃

Chinese Name

8-溴-1H,4H-[1,2,4]恶二唑并[3,4-c][1,4]苯并恶嗪-1-酮

Molecular Weight

269.052 g/mol

Category

Ketones

Last updated

8/21/2026