Butyl 5-oxo-L-prolinate

L-焦谷氨酸丁酯

Also known as: Butyl (2S)-5-oxopyrrolidine-2-carboxylate, (S)-(-)-2-Pyrrolidone-5-carboxylic acid butyl ester, Butyl L-pyroglutamate, Butyl Pyroglutamate, 5-Oxo-L-proline butyl ester, L-Proline, 5-oxo-, butyl ester, Pyroglutamic acid n-butyl ester, (S)-5-Oxopyrrolidine-2-carboxylic acid butyl ester

Butyl 5-oxo-L-prolinate (CAS 4931-68-4) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C9H15NO3 and a molecular weight of 185.220 g/mol. It is also known as Butyl (2S)-5-oxopyrrolidine-2-carboxylate, (S)-(-)-2-Pyrrolidone-5-carboxylic acid butyl ester and Butyl L-pyroglutamate. Key properties include a boiling point of 334.6±35.0 °C at 760 mmHg, a density of 1.1±0.1 g/cm3 and a flash point of 156.2±25.9 °C. GHS signal word: Warning. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.

4931-68-4

Jingsj CID

J-1013816-0

Molecular Formula

C₉H₁₅NO₃

Chinese Name

L-焦谷氨酸丁酯

Molecular Weight

185.220 g/mol

Category

Organic Acids

Last updated

8/21/2026