Appearance White powder
Assay 98.0%
Specific rotation[α]D20 +24.0°~+27.0°
Iron(Fe) 10ppm max
Chloride(Cl) 0.02% max
Ammonium(NH4) 0.02% max
Heay metals, as Pb 10ppm max
Arsenic 1ppm max
Loss on drying 5.0% max
Residue on ignition 0.20% max
Other Amino acids Meets the requirements