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L-Glutamic Acid Magnesium Salt CAS 19238-49-4 Ph5-9 White Fine Powder Apperance White fine powder CAS 18543-68-5 Molecular Formula C10H16MgN2O8 Amino Acid ≥80% pH 5-9 L-Glu ≥80% Solubleness 全溶 Mg >7% ...