Product Category


GMP Manufactured Product

L-GLUTAMINE, USP, GMP Excipient Grade

Product Code: LGLM-4250

Intended For Use As An Excipient

Glutamine is an α-amino acid that is used in the biosynthesis of proteins. This product is synthesized and purified under full GMP conditions for use in GMP Pharmaceutical Production. L-Glutamine is used as a supplement energy source for certain types of mammalian cells and is used in other biopharmaceutical manufacturing applications.

Product Specifications

Assay (dried basis)  
98.5% - 101.5%
Appearance and Color  
White crystals or crystalline powder
Chloride and Sulfate, Chloride  
≤ 0.05%
Chloride and Sulfate, Sulfate ≤ 0.03%
Identification A (IR)

Passes Test


≤ 10 ppm

Loss on Drying  
≤ 0.3%
Optical Rotation, Specific Rotation @ 20°C  
+6.3° to +7.3°
Residue on Ignition  
≤ 0.10%
Related Compounds ≤ 0.5%
Printable Version

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General Product Description:

  • L-Glutamine is produced at our cGMP platform in India and then shipped to our Bangor, PA facility where it is tested and repackaged under cGMP conditions.
  • L-Glutamine is a White Crystalline product.
  • Molecular Formula: C5H10N2O3 • 2H2O
  • Molecular Weight: 146.14 g/mol.
  • CAS Number: 56-85-9
  • There are no known major food allergens (as defined by FDA and WHO) in the manufacture of this product.
  • BioSpectra certifies that all L-Glutamine, LGLM-4250 at BioSpectra and its raw materials are not derived from or come in contact with animal parts, products, and/or byproducts.
  • L-Glutamine manufactured at our cGMP platform in India and any raw materials used in the manufacture of L-Glutamine at BioSpectra are not subject to genetic modification.
  • Synonyms: (S)-2,5-Diamino-5-oxopentanoic acid, L- Glutamic acid 5-amide.


GMP Compliance:

Bio Pharma Grade L-Glutamine, LGLM-4250 is suitable for use as an excipient. It is manufactured in accordance with the IPEC-PQG Joint Good Manufacturing Practice Guide For Excipients. This grade of L-Glutamine is not suitable to be used as an Active Pharmaceutical Ingredient, Drug, Drug Product or Household Item.

Retest Date:

The recommended retest period for L-Glutamine is two years from the date of manufacture.

Storage and Shipping Conditions:

Ship and Store in ambient temperature.

Package Sizes:

10kg, 25kg and 50kg pails.

Country of Origin


This product is then repacked and retested under cGMP at our Bangor USA cGMP FDA Regulated Facility.

Additional Packaging Information