Amino Acids & Peptides
REACH
L-alanyl-L-glutamine
CAS Number
39537-23-0
EC Number
609-717-9
FEMA Number
FEMA 4712
Abbreviation
Ala-Gln
What is L-alanyl-L-glutamine?
L-alanyl-L-glutamine (CAS 39537-23-0), also referenced as Ala-Gln or L-Ala-L-Gln, is a dipeptide of alanine and glutamine with superior aqueous stability compared to free glutamine. FEMA 4712.
Where is L-alanyl-L-glutamine used?
- Pharmaceutical, nutraceutical and cosmetic formulations: bioavailable glutamine source, humectant and stabilizing agent where glutamine alone would degrade
- Parenteral and enteral nutrition: glutamine delivery form stable in solution during sterilization and extended storage
- Sports nutrition and functional foods: ready-to-drink beverages and protein supplements where free glutamine solubility and shelf-life are limiting
- Cosmetics: skin-conditioning serums, moisturizing creams and post-procedure topicals
- Cell culture media: it replaces unstable L-glutamine to maintain consistent nutrient availability in biopharmaceutical manufacturing.
Commercial specifications
- Bulk quantities for industrial buyers; smaller research-grade quantities for formulation development
Other Names (Synonyms)
(2S)-5-amino-2-{[(2S)-2-azaniumylpropanoyl]amino}-5-oxopentanoate|L-Ala-L-Gln|Alanyl-Glutamine|Ala-gln|GlutaMAX|N(2)-L-Alanyl-L-glutamine|Sustamine|Alanyl-glutamine dipeptide
What are the physical properties of L-alanyl-L-glutamine?
Melting Point 204-205 °C
Boiling Point 615°C
Density 1.305±0.06 g/cm3(Predicted)
Flash Point >110°(230°F)
Color White
Odor mild savory
Form solution
Water Solubility Soluble in water.
Vapor Pressure 0-1000Pa at 20-313.7℃
Refractive Index 10 ° (C=5, H2O)
pH pH(50g/l, 25℃) : 5.0～6.0
Log P -4.6 at 22℃ and pH6.3
Which trade and regulatory codes apply to L-alanyl-L-glutamine?
HS Code 29241990
Storage Class 11 - Combustible Solids
WGK (Germany) 1