4-methyl-2,3-dihydrocyclopenta[b]indol-1(4H)-one

4-甲基-3,4-二氢环戊烯并[b]吲哚-1(2H)-酮

Also known as: 3-oxo-8-methyl-1,2-dihydrocyclopenta[b]indole, 3-oxo-8-methyl-1,2-dihydrocyclopentaindole, 4-methyl-2,3-dihydrocyclopenta[b]indol-1(4H)-one, 4-methyl-3,4-dihydrocyclopenta[b]indol-1(2H)-one, 4-methyl-2,3-dihydrocyclopenta[b]indol-1-one, cyclopent[b]indol-1(2H)-one, 3,4-dihydro-4-methyl-, 4-methyl-3,4-dihydro-2H-cyclopenta[b]indol-1-one

4-methyl-2,3-dihydrocyclopenta[b]indol-1(4H)-one (CAS 50776-26-6) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C12H11NO and a molecular weight of 185.22200 g/mol. It is also known as 3-oxo-8-methyl-1,2-dihydrocyclopenta[b]indole, 3-oxo-8-methyl-1,2-dihydrocyclopentaindole and 4-methyl-3,4-dihydrocyclopenta[b]indol-1(2H)-one. Key properties include a melting point of 209-210ºC and a density of 1.25. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.

50776-26-6

Jingsj CID

J-1398919-0

Molecular Formula

C₁₂H₁₁NO

Chinese Name

4-甲基-3,4-二氢环戊烯并[b]吲哚-1(2H)-酮

Molecular Weight

185.22200 g/mol

Category

Pharma Intermediates

Last updated

8/21/2026