P9540

L-Pyroglutamic Acid (L-Pyr-OH)

Size

£155.00

SKU:: P9540
Molecular Weight:: 129.11
Storage Conditions:: 4°C
Supplier:: United States Biological
CAS Number:: 98-79-3
Extra Details:: 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)-(-)-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; H-Pyr-OH CAS No: 98-79-3 Molecular Formula: C₅H₇NO₃ Molecular Weight: 129.11 Purity (HPLC): ≥98.5% Appearance: White to off-white powder Optical Rotation [a]D20: -10.5 to -12.3º Loss on Drying; ≤1% Residue of Ignition (Sulfated): ≤0.1% Heavy Metals: ≤0.001% Chloride: ≤0.02% Sulfate: ≤0.02% Ammonium: ≤0.02% Iron: ≤0.001% Arsenic: ≤0.0001% Melting Point: 154-160°C (lit) Storage and Stability: SMay be stored at RT for short-term only. Store at 4ºC. Stable for 12 months after receipt.

Shipping Conditions:: Ambient