Name L-Glutamine CAS 56-85-9 Appearance White crystalline powder Identification Positive Specific rotation + 6.3 -- +7.3 Loss On Drying Not more than 0.20% Chloride Not more than 0.50% Sulfate Not more than 0.030% Iron Not more than 0.003% Heavy metals(Pb) Not more than 0.0015% Residue on ignition Not more than 0.10% Chromatographic purity Meets the reuirements Organic volatile impurities Meets the reuirements Assay(on dried basis) 98.5 - 101.5% For more products ,please visit our website.