N-Acetyl-L-Tyrosine CAS No.: 537-55-3 Item Specification Appearance White crystals or crystalline powder Specific Rotation[a]D20 +46.5° to +49.0° State of solution Clear and colorless Not less than 96.0% Chloride (Cl) Not more than 0.020% Ammonium (NH4) Not more than 0.02% Sulfate (SO4) Not more than 0.020% Iron (Fe) Not more than 30ppm Heavy Metals (Pb) Not more than 10ppm Aresenic (As2O3) Not more than 2ppm Loss on drying Not more than 0.5% Residue on ignition Not more than 0.1% Assay 99.0% to 101.0% Tyrosine Not more than 1.0% pH 2.0 to 3.0 mutualchem(at)gmail(dot)com


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