56-85-9, L-Glutamine Technical Analysis

**L-Glutamine (L-Gln)** Also known as L-α-Aminoglutamic acid, L-Glutamic acid 5-amide, H-Gln-OH, and L-(+)-2-Amino-5-aminocarboxylic acid. **CAS Number:** 56-85-9 **Molecular Formula:** C₅H₁₀N₂O₃ **Molecular Weight:** 146.15 g/mol **Grade:** Biochemical Reagent (BR) **Purity:** ≥99.0% **Specific Optical Rotation:** +6.3° to +7.3° **pH (1% Solution):** 4.0–6.0 **Loss on Drying:** ≤0.30% **Arsenic Salt:** ≤1 ppm **Residue on Ignition:** ≤0.30% **Heavy Metals:** ≤15 ppm **Appearance:** White crystalline powder L-Glutamine is a non-essential amino acid that plays a crucial role in protein synthesis, immune function, and gut health. In neutral or slightly acidic boiling solutions, it rapidly converts to the ammonium salt of pyrrolidone carboxylic acid. **Solubility:** - 1 g dissolves in 20.8 ml water at 30°C - 1 g dissolves in 38.5 ml water at 18°C - 1 g dissolves in 56.7 ml water at 0°C - Practically insoluble in methanol, ethanol, ether, benzene, chloroform, and ethyl acetate **Melting Point:** 185–186°C (decomposes) **Applications:** - Used in biochemical research - Commonly employed in bacterial culture media - Preserved at room temperature (RT) This high-purity L-Glutamine is ideal for laboratory use, offering consistent performance in various scientific applications. Whether you're working on cell culture, enzymatic reactions, or metabolic studies, this product ensures reliable results. Store in a cool, dry place away from direct sunlight.

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