Features Specifications:Sell L-TYROSINE  L-Tyrosine CAS No.60-18-4 Molecule FormulaC9H11NO3 Molecule Weight181.19 Structure Formula  DescriptionWhite crystals or crystalline powder; tasteless. Freely soluble in formic acid, very slightly soluble in water, practically insoluble in ethanol and in ether. Dissolve in dilute hydrochloric acid and in dilute nitric acid. Manufacture Standards:AJI92,USP26,EP5 Specification Specific rotation -11.3--12.1° Heavy metals ≤10ppm Water content ≤0.20% Residue on ignition ≤0.10% assay 99.0-100.5% pH 5.0-6.5 Mainly uses: An important biological reagent  Used in agricultural research, beverage additive and feed stuff Packing:25kgs/ fiber drum