| 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. 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)-(-)-gamma-Butyrolactam-gamma-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, gamma-Lactam L-Glutamic Acid, , L-Glutimic Acid, L-Glutiminic Acid, H-Pyr-OH CAS No: 98-79-3 Molecular Formula: C5H7NO3 Molecular Weight: 129.11 Purity: 98.5% (HPLC) Appearance: White to off-white powder Solubility: DMSO (Slightly, Heated), Methanol (Slightly), Water (Sparingly) Melting Point: 154-160C (lit) Storage and Stability: Store at 4C. For maximum recovery of product, centrifuge the original vial prior to removing the cap. |
