3,3,7-trimethyloxindole

3,3,7-三甲基吲哚啉-2-酮

Also known as: 3,3,7-trimethylindolin-2-one, 1,3-dihydro-3,3,7-trimethyl-2H-indol-2-one, 3,3,7-trimethyl-1,3-dihydro-2H-indol-2-one, 3,3,7-TRIMETHYLOXINDOLE, 3,3,7-Trimethyl oxindole, 3,3,7-Trimethyl-1,3-dihydro-2H-indol-2-one, 3,3,7-Trimethyl-indolin-2-on, 3,3,7-Trimethyl-oxindol, 3,3,7-triMethylindolin-2-one, 3,3,7-trimethyl-1,3-dihydro-indol-2-one, 3,3,7-trimethyl-1H-indol-2-one, 2H-Indol-2-one, 1,3-dihydro-3,3,7-trimethyl-

3,3,7-trimethyloxindole (CAS 19501-89-4) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C11H13NO and a molecular weight of 175.227 g/mol. It is also known as 3,3,7-trimethylindolin-2-one, 1,3-dihydro-3,3,7-trimethyl-2H-indol-2-one and 3,3,7-trimethyl-1,3-dihydro-2H-indol-2-one. Key properties include a boiling point of 299.7±39.0 °C at 760 mmHg, a density of 1.1±0.1 g/cm3 and a flash point of 174.5±12.0 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.

19501-89-4

Jingsj CID

J-1455235-5

Molecular Formula

C₁₁H₁₃NO

Chinese Name

3,3,7-三甲基吲哚啉-2-酮

Molecular Weight

175.227 g/mol

Category

Pharma Intermediates

Last updated

8/21/2026