Description

L-Alanyl-L-Glutamine is a high-purity, synthetic dipeptide composed of the amino acids alanine and glutamine. This compound is valued for its enhanced stability and solubility compared to free glutamine, making it a superior ingredient for critical nutritional and pharmaceutical formulations. It is primarily utilized by manufacturers in the parenteral nutrition, sports nutrition, and cell culture media industries seeking reliable, high-quality raw materials.

Application

• Parenteral Nutrition Solutions: A stable source of glutamine and alanine for intravenous feeding, supporting patient recovery and nitrogen balance.
• Sports Nutrition & Dietary Supplements: Used in powder and liquid formulations for muscle recovery, immune support, and gut health.
• Cell Culture Media: Serves as a critical nutrient component for the growth of mammalian cells in biopharmaceutical production and research.
• Pharmaceutical Intermediates: Acts as a building block or active ingredient in the synthesis of more complex peptide-based therapeutics.
• Stabilized Nutrient Fortification: Incorporated into medical foods and clinical nutrition products where ingredient stability is paramount.

Basic Information

Product Name	L-Alanyl-L-Glutamine
CAS No.	656221-79-3
Molecular Formula	C8H15N3O4
Molecular Weight	217.22 g/mol
Synonyms	Ala-Gln; L-Ala-L-Gln; N2-L-Alanyl-L-glutamine; Alanylglutamine; Glutamine-Alanine Dipeptide; Sustamine® (trade name); 2-Aminopropanoyl-(2-aminopentanedioyl)amine; (S)-2-Amino-N-[(S)-1-amino-1-oxopentan-3-yl]propanamide
EINECS	Contact for details

Quality Control

Our L-Alanyl-L-Glutamine is manufactured under strict quality management systems. Each batch undergoes comprehensive analytical testing to ensure it meets stringent specifications for identity, purity, and safety, suitable for pharmaceutical and nutritional applications. Certificates of Analysis (COA) documenting compliance with relevant standards are available upon request.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry place at controlled room temperature (15-25°C). This material is hygroscopic (moisture-sensitive) and must be kept in a dry environment to prevent degradation.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to reference standard
Assay (HPLC)	≥ 98.5%
Optical Rotation	+14.0° to +16.0° (c=1 in H2O)
pH (1% Solution)	5.0 - 6.5
Loss on Drying	≤ 1.0%
Residue on Ignition	≤ 0.2%
Heavy Metals	≤ 20 ppm
Related Substances (HPLC)	Individual impurity ≤ 0.5%; Total impurities ≤ 1.5%

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.