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CAS RN: 344-25-2

Solubility in water Colorless & clear (c=5)
Specific rotation (20℃) + 83.5°~ +86.0°(c= 4,water)
Loss on drying Not more than 0.4%
Residue on ignition Not more than 0.1%
Chloride (Cl) Not more than 0.03%
Sulfate (SO4) Not more than 0.03%
Heavy metals (as Pb) Not more than 10ppm
Iron (Fe) Not more than 10ppm
Ammonium (NH4) Not more than 0.02%
Arsenic (As2O3) Not more than 1ppm
Other amino acids Not detected by T.L.C.(The spotted amount, 20μg)
Assay 98.5%~101.0%
L-Isomer Not more than 0.5%



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