4-(2-oxo-2,3-dihydro-1H-indol-3-yl)butanoic acid

4-(2-氧代-2,3-二氢-1H-吲哚-3-基)丁酸

Also known as: 4-(2-oxoindolin-3-yl)butanoic acid, 4-(2,3-dihydro-2-oxo-1H-indol-3-yl)butanoic acid, 3-(3-Carboxypropyl)-2-oxindole, 2,3-dihydro-2-oxo-1H-indole-3-butanoic acid, 4-(2-oxo-3-indolinyl)butanoic acid, 4-(2-oxo-1,3-dihydroindol-3-yl)butanoic acid, 4-(2-ketoindolin-3-yl)butyric acid, 4-(2-oxo-2,3-dihydro-indol-3-yl)-butyric acid, 3-(3-Carboxyprop-1-yl)indolin-2-one

4-(2-oxo-2,3-dihydro-1H-indol-3-yl)butanoic acid (CAS 2971-18-8) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C12H13NO3 and a molecular weight of 219.23700 g/mol. It is also known as 4-(2-oxoindolin-3-yl)butanoic acid, 4-(2,3-dihydro-2-oxo-1H-indol-3-yl)butanoic acid and 3-(3-Carboxypropyl)-2-oxindole. Key properties include a melting point of 169-171ºC, a boiling point of 449.8ºC at 760 mmHg, a density of 1.243g/cm3 and a flash point of 225.8ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.

2971-18-8

Jingsj CID

J-1366409-9

Molecular Formula

C₁₂H₁₃NO₃

Chinese Name

4-(2-氧代-2,3-二氢-1H-吲哚-3-基)丁酸

Molecular Weight

219.23700 g/mol

Category

Pharma Intermediates

Last updated

8/21/2026