L-Glutamine FCC / USP


D-(+)-Glucurono-6,3-lactone, D-Glucurono-6,3-lactone, D-Glucurone, Glucuronolactone

Technical Data

CAS Number: 56-85-9
Molecular Formula: H2NCOCH2CH2CH(NH2)CO2H
Molecular Weight: 146.14
Beilstein Registry Number: 1723797
EC Number: 200-292-1

FabriChem Specifications

AppearanceWhite crystals or crystalline powder
IdentificationAs per FCC/USP
Assay98.5% - 101.5%
Specific Rotation+6.3° to +7.3°
Loss on Drying0.3% Max.
Residue on Ignition0.1% Max.
Arsenic1 ppm Max.
Heavy Metals (as Pb)10 ppm Max.
Chloride0.05% Max.
Ammonium0.05% Max.
Sulfate0.02% Max.
Lead5 ppm Max.
pH4.0 – 6.0
Total Plate Count1,000 CFU/g Max.
Yeast & Mold100 CFU/g Max.
ColiformsNegative / g
E. ColiNegative / g
SalmonellaNegative / g

Molecular Structure



L-Glutamine is a conditionally essential amino acid that is a crucial component of culture media that serves as a major energy source for cells in culture. Glutamine plays a role as part of nitrogen metabolism.