56-85-9, L-Glutamine Technical Analysis

**L-Glutamine – Product Information** **English Name:** L-Glutamine; L-α-Aminoglutamic acid; L-Glutamic acid 5-amide; L-Gln; H-Gln-OH **Other Names:** L-(+)-2-Amino-5-aminocarboxylic acid; L-glutamine; L-glutamic acid amide; L-aminocarbonylbutyric acid; L-2-aminoglutaric acid amide **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 Value:** 4.0–6.0 **Loss on Drying:** ≤0.30% **Arsenic Salt:** ≤1 ppm **Ignition Residue:** ≤0.30% **Heavy Metals:** ≤15 ppm **Appearance:** White crystalline powder **Solubility:** - Soluble in water: 1 g dissolves in 20.8 ml at 30°C, 38.5 ml at 18°C, and 56.7 ml at 0°C - Practically insoluble in methanol, ethanol, ether, benzene, chloroform, and ethyl acetate **Melting Point:** 185–186°C (decomposes) **Application:** Widely used in biochemical research, bacterial culture media, and as a preservative. **Storage:** Store at room temperature (RT), away from moisture and heat. This high-purity L-Glutamine is ideal for laboratory use, offering consistent performance and reliability in various scientific applications. Its solubility profile and chemical stability make it a preferred choice for researchers working in biochemistry, microbiology, and related fields. Always handle with care and follow proper safety protocols when using this compound.

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