English name: L-Tyrosine; (S)-(-)-Tyrosine, L-β-p-Hydroxyphenylalanine; (S)-2-Amino-3-(4-hydroxyphenyl)propionic acid; 3-(4-Hydroxyphenyl) -L-alanine; L-α-Amino-β-p-hydroxyphenylpropionic acid; L-α-Amino- p-hydroxyhydrocinnamic acid Other names: L-β-p-hydroxyphenylalanine; L-phenol aminopropionic acid; L-β-p-hydroxyphenyl-α-aminopropionic acid; L-cheese amino acid CAS number: 60-18-4C9H11NO3= 181.19 content: ≥99.0% specific optical rotation: -9.8～-11.2° chloride: ≤0.04% Sulfate: ≤0.04% ammonium salt: ≤0.020% iron salt: ≤0.003% heavy metal: ≤0.0015% arsenic salt: ≤0.00015% dry weight loss: ≤0.30% ignition residue: ≤0.40% trait: white crystal or crystalline powder , odorless, tasteless, soluble in acid or alkaline solution, slightly soluble in boiling water, almost insoluble in ether and use: biochemical research. The standard for determining nitrogen in amino acids. Tissue culture medium was prepared. Colorimetric quantitative analysis was carried out using a Millon reaction (protein color reaction). Save: RT
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