(3E,5E)-5-(1,3,3-Trimethyl-1,3-dihydro-2H-indol-2-ylidene)pent-3-en-2-one

(3E,5E)-5-(1,3,3-三甲基-1,3-二氢-2H-吲哚-2-亚基)-3-戊烯-2-酮

Also known as: 5-(1,3,3-Trimethylindolin-2-ylidene)pent-3-en-2-one, 5-(1,3,3-Trimethyl-1,3-dihydro-2H-indol-2-ylidene)pent-3-en-2-one, 3-PENTEN-2-ONE, 5-(1,3-DIHYDRO-1,3,3-TRIMETHYL-2H-INDOL-2-YLIDENE)-, 5-(1,3,3-trimethyl-indolin-2-ylidene)-pent-3-en-2-one

(3E,5E)-5-(1,3,3-Trimethyl-1,3-dihydro-2H-indol-2-ylidene)pent-3-en-2-one (CAS 53704-20-4) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C16H19NO and a molecular weight of 241.32800 g/mol. It is also known as 5-(1,3,3-Trimethylindolin-2-ylidene)pent-3-en-2-one, 5-(1,3,3-Trimethyl-1,3-dihydro-2H-indol-2-ylidene)pent-3-en-2-one and 3-PENTEN-2-ONE, 5-(1,3-DIHYDRO-1,3,3-TRIMETHYL-2H-INDOL-2-YLIDENE)-. Key properties include a boiling point of 362.7ºC at 760mmHg, a density of 1.07g/cm3 and a flash point of 130.5ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.

53704-20-4

Jingsj CID

J-1175505-4

Molecular Formula

C₁₆H₁₉NO

Chinese Name

(3E,5E)-5-(1,3,3-三甲基-1,3-二氢-2H-吲哚-2-亚基)-3-戊烯-2-酮

Molecular Weight

241.32800 g/mol

Category

Pharma Intermediates

Last updated

8/21/2026