3,4-Dehydro-DL-proline

3,4-脱氢-DL-脯氨酸

Also known as: 2,5-Dihydro-1H-pyrrole-2-carboxylic acid, (±)-2,5-Dihydro-1H-pyrrole-2-carboxylic acid, (±)-3-Pyrroline-2-carboxylic acid, 3,4-Didehydro-DL-proline, DL-3,4-Dehydroproline, H-3,4-Dehydro-DL-Pro-OH, H-DL-DELTAPRO-OH, rac-(2R*)-3-Pyrroline-2-carboxylic acid, (RS)-3,4-Dehydro-pyrrolidine-2-carboxylic acid

3,4-Dehydro-DL-proline (CAS 3395-35-5) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C5H7NO2 and a molecular weight of 113.115 g/mol. It is also known as 2,5-Dihydro-1H-pyrrole-2-carboxylic acid, (±)-2,5-Dihydro-1H-pyrrole-2-carboxylic acid and (±)-3-Pyrroline-2-carboxylic acid. Key properties include a melting point of 245ºC (dec.)(lit.), a boiling point of 279.3±40.0 °C at 760 mmHg, a density of 1.3±0.1 g/cm3 and a flash point of 122.7±27.3 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.

3395-35-5

Jingsj CID

J-1958850-6

Molecular Formula

C₅H₇NO₂

Chinese Name

3,4-脱氢-DL-脯氨酸

Molecular Weight

113.115 g/mol

Category

Organic Acids

Last updated

8/21/2026