N-Acetyl-DL-Methionine CAS No.: 1115-47-5 Item Specification Appearance White crystals or crystalline powder Specific Rotation[a]D20 -1° to +1° State of solution Clear and colorless Not less than 95.0% Heavy Metals (Pb) Not more than 20ppm Aresenic (As2O3) Not more than 2ppm Other amino aicds No spot Loss on drying Not more than 0.5% Residue on ignition Not more than 0.3% Assay 98.0% to 102.0% pH 1.7 to 3.0 mutualchem(at)gmail(dot)com


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