DL-Pyroglutamic acid

DL-焦谷氨酸

Also known as: 2-Pyrrolidone-5-carboxylic acid, 5-Oxopyrrolidine-2-carboxylic acid, (+/-)-2-Pyrrolidinone-5-carboxylic acid, (+/-)-2-Pyrrolidone-5-carboxylic acid, 5-Oxo-DL-proline, DL-5-Oxo-2-pyrrolidinecarboxylic acid, DL-2-Pyrrolidinone-5-carboxylic acid, DL-5-Pyrrolidone-2-carboxylic acid, DL-Glutamic acid lactam, DL-Pyroglutamic, H-DL-Pyr-OH, Pyrrolidonecarboxylic acid

DL-Pyroglutamic acid (CAS 149-87-1) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C5H7NO3 and a molecular weight of 129.114 g/mol. It is also known as 2-Pyrrolidone-5-carboxylic acid, 5-Oxopyrrolidine-2-carboxylic acid and (+/-)-2-Pyrrolidinone-5-carboxylic acid. Key properties include a melting point of 180-185ºC, a boiling point of 453.1±38.0 °C at 760 mmHg, a density of 1.4±0.1 g/cm3 and a flash point of 227.8±26.8 °C. GHS signal word: Warning. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.

149-87-1

Jingsj CID

J-39682-8

Molecular Formula

C₅H₇NO₃

Chinese Name

DL-焦谷氨酸

Molecular Weight

129.114 g/mol

Category

Organic Acids

Last updated

8/21/2026