L-Glutamine is an essential amino acid that is a crucial component of culture media that serves as a major energy source for cells in culture. L-Glutamine is very stable as a dry powder and as a frozen solution. In liquid media or stock solutions, however, L-glutamine degrades relatively rapidly. Optimal cell performance usually requires supplementation of the media with L-glutamine prior to use. Synonyms: (S)-2,5-Diamino-5-oxopentanoic Acid, 2-Aminoglutaramic Acid, Acustasin, Aesgen 14, Cebrogen, Glumin, L-2-Aminoglutaramidic Acid, L-Glutamic Acid gamma-Amide, Levoglutamide, NSC 27421, Saforis, Stimulina, gamma-Glutamine, L-Gln-OH CAS No: 56-85-9 Molecular Formula: C5H10N2O3 Molecular Weight: 146.15 Purity: 99% Appearance: White crystal or crystalline powder Identification (IR): Conform to reference Specific Rotation [a]D20: +6.3 to +7.3 Loss on Drying: 0.2% Residue on Ignition: 0.1% Heavy Metals (Pb): 0.0005% pH: 4.0-6.0 Chloride: 0.05% Sulfate: 0.03% Arsenic: 0.0001% Endotoxin: 0.5EU/mg Microbial Testing: Total Plate Count: 1000CFU/g Yeast and Mold: 100CFU/g Coliform: 10cfu/g Storage: RT Meets or exceeds USP specifications.
Molecular Weight:
146.15
CAS Number:
[56-85-9]
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