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L-Glutamine

Molecular Formula: C5H10N2O3

Molecular Weight: 146.14 

CAS No： 56-85-9

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L-GlutamineCP2020USP2023USP32FCC11JSFA
Assay≥99.0%98.5-101.5%98.5-101.5%98.5-101.5%98.0%～102.0%
PH4.8 ～ 5.8///4.5～6.0
Specific rotation[a]D20+6.3°-+7.3°+6.3°-+7.3°+6.3°-+7.3°+6.3°-+7.3°+6.3°-+7.3°
Specific rotation[a]D25/////
Transmittance(T430)≥98.0%///Colorless and clear
Chloride(Cl)≤ 0.02%≤0.05%≤0.05%/≤ 0.1 %
Ammonium(NH4)≤ 0.10%////
Sulfate(SO4)≤ 0.02%≤0.03%≤0.03%//
Iron(Fe)≤ 10 PPM≤30PPM≤30PPM//
Heavy metals(Pb)≤ 10 PPM/≤15PPM/≤2PPM
Arsenic≤1PPM///≤3PPM
Lead///≤5PPM/
Other amino acidsIndividual impurities≤0.5% 
Total impurities≤1.0%		≤0.5%≤0.5%//
Ninhydrin-positive substances/////
Insoluble foreign matter///≤50PPM/
Loss on drying≤ 0.30%≤0.30%≤0.30%≤0.30%≤0.30%
Residue on ignition≤ 0.10%≤0.30%≤0.30%≤0.10%≤0.10%
Endotoxin＜ 25 EU/g＜ 25 EU/g///
Total plate count≤ 1000 CFU/g≤ 1000 CFU/g≤ 1000 CFU/g≤ 1000 CFU/g≤ 1000 CFU/g
Moulds & Yeasts≤ 100 CFU/g≤ 100 CFU/g≤ 100 CFU/g≤ 100 CFU/g≤ 100 CFU/g