98-79-3 L-Pyroglutamic acid
Main product
  • Product name: L-Pyroglutamic acid
  • CAS Number: 98-79-3
  • Beilstein Registry Number: 82132
  • EC Number: 202-700-3
  • MDL number: MFCD00005272
  • Synonyms: (-)-2-Pyrrolidone-5-carboxylic Acid; (-)-Pyroglutamic Acid; (2S)-5-Oxopyrrolidine-2-carboxylic Acid;
    (5S)-2-Oxopyrrolidine-5-carboxylic Acid; (S)-(-)-2-Pyrrolidone-5-carboxylic Acid; (S)-(-)-γ-Butyrolactam-γ-carboxylic Acid;
    (S)-2-Pyrrolidone-5-carboxylic Acid; (S)-5-Oxo-2-pyrrolidinecarboxylic Acid; (S)-5-Oxoproline; (S)-Pyroglutamic Acid;
    2-L-Pyrrolidone-5-carboxylic Acid; 2-Oxopyrrolidine-5(S)-carboxylic Acid; 2-Pyrrolidinone-5-carboxylic Acid;
    5-Carboxy-2-pyrrolidinone; 5-Oxo-L-proline; 5-Oxoproline; 5-Pyrrolidinone-2-carboxylic Acid; Ajidew A 100;
    Glutimic Acid; Glutiminic Acid; L-(-)-Pyroglutamic Acid; L-2-Pyrrolidone-5-carboxylic Acid; L-5-Carboxy-2-pyrrolidinone;
    L-5-Oxo-2-pyrrolidinecarboxylic Acid; L-5-Oxoproline; γ-Lactam L-Glutamic Acid, ; L-Glutimic Acid; L-Glutiminic Acid;
  • Molecular form.: C₅H₇NO₃
  • Molecular Weight: 129.11
  • Appearance: White crystalline powder
  • Melting Point: 150-160°C
  • Solubility: DMSO (Slightly, Heated), Methanol (Slightly), Water (Sparingly)
  • Category: Amines, Heterocycles,
  • HSN Code : 29224210
  •  Storage : 2 to 8°C (Refrigerate) 
  • Applications: L-Pyroglutamic acid is an amino acid that is used in the synthesis of peptides. It has also been observed to convert when placed at the N-terminus in vivo to create IgG2 antibodies.