L-Glutamine

CAS number: 56-85-9

Molecular formula: C5H10N2O3

molecular weight: 146.146

Chemical structure:


Product nameL-Glutamine
Shelf Life3 Years

TestsLimitsTest results
DescriptionWhite crystals or crystalline powderConforms
Idenlification(IR)concordant with the reference  spectrumConforms
Assay 98.5~101.5% 99.1%
Specific rotation[a]D25+6.3°~+7.3°+6.4°
Chloride(Cl)≤0.05%<0.05%
Sulfate(SO4)≤0.03%<0.03%
Iron(Fe)≤0.003%<0.003%
Heavy metals(Pb)≤0.0015%<0.0015%
Loss on drying≤0.30%0.1%
Residue on ignition≤0.30%0.03%
Organic volatile impuritiesmeets the requirementsConforms
Conclusion: Passed test according to the Standard of USP33.