CAS No.: 35305-74-9
Appearance White crystals or crystalline powder
Specific Rotation[a]D20 -11.5° to -13.0°
State of solution Clear and colorless
Not less than 95.0%
Chloride (Cl) Not more than 0.04%
Ammonium (NH4) Not more than 0.10%
Sulfate (SO4) Not more than 0.048%
Iron (Fe) Not more than 30ppm
Heavy Metals (Pb) Not more than 10ppm
Aresenic (As2O3) Not more than 2ppm
Other amino aicds No spot
Loss on drying Not more than 0.6%
Residue on ignition Not more than 0.2%
Assay 98.0% to 101.0%
pH 1.7 to 2.8
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