4,5-dibromo-1,2,6,7-tetrahydro-8H-indeno[5,4-b]furan-8-one

4,5-二溴-1,2,6,7-四氢-8H-茚并[5,4-b]呋喃-8-酮

Also known as: 4,5-dibromo-6,7-dihydro-1H-indeno[5,4-b]furan-8(2H)-one, 4,5-dibromo-1,2,6,7-tetrahydroindeno[5,4-b]furan-8-one, 4,5-dibromo-1,2,6,7-tetrahydrocyclopenta[e][1]benzofuran-8-one, 8H-Indeno[5,4-b]furan-8-one, 4,5-dibromo-1,2,6,7-tetrahydro-, Ramelteon impurity I, Ramelteon impurity 29

4,5-dibromo-1,2,6,7-tetrahydro-8H-indeno[5,4-b]furan-8-one (CAS 196597-77-0) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C11H8Br2O2 and a molecular weight of 331.988 g/mol. It is also known as 4,5-dibromo-6,7-dihydro-1H-indeno[5,4-b]furan-8(2H)-one, 4,5-dibromo-1,2,6,7-tetrahydroindeno[5,4-b]furan-8-one and 4,5-dibromo-1,2,6,7-tetrahydrocyclopenta[e][1]benzofuran-8-one. Key properties include a melting point of 224-226ºC, a boiling point of 448.6±45.0 °C at 760 mmHg, a density of 2.0±0.1 g/cm3 and a flash point of 225.1±28.7 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.

196597-77-0

Jingsj CID

J-1114664-3

Molecular Formula

C₁₁H₈Br₂O₂

Chinese Name

4,5-二溴-1,2,6,7-四氢-8H-茚并[5,4-b]呋喃-8-酮

Molecular Weight

331.988 g/mol

Category

Pharma Intermediates

Last updated

8/21/2026