Short Description:


Synonyms2-Amino-3-(4-hydroxyphenyl)-propanoic acid; 3-(4-Hydroxyphenyl)-L-alanine; Tyr

Molecular FormulaC9H11NO3

Molecular Weight181.19

CAS Registry Number60-18-4


Packing:25kg bag/drum/carton

Port of loading: China main port

Port of dispapch:Shanghai ; Qindao;Tianjin

Product Detail


Packaging & Shipping


Product Tags

White crstals or crystalline powder. Freely soluble in formic acid, very slightlysoluble in water,practically insoluble in ethanol and in ether. Dissolve in dilute hydrochloric acid and in dilute nitric acid. Aside from being a proteinogenic amino acid, tyrosine has a special role by virtue of the phenol functionality. It occurs in proteins that are part of signal transduction processes. It functio     ns as a receiver of phosphate groups that are transferred by way of protein kinases (so-called receptor tyrosine kinases). Phosphorylation of the hydroxyl group changes the activity of the target protein.

  • Previous:
  • Next:

  • Items



    Infrared Absorption

    Specific Rotation

    -9.8°to -11.2°

    Loss on drying

    0.3% Max

    Residue on iginition

    0.4% Max


    0.04% Max


    0.04% Max


    0.003% Max

    Heavy Metals

    0.0015% Max

    Individual impurity

    0.5% Max

    Total Impurity

    2.0% Max

    Organic volatile impurities

    Meet the requirements


    98.5% -101.5%

    Storage: in dry, cool, and shaded place with original packaging, avoid moisture, store at room temperature.

    Shelf Life: 48 months 

    Package:in 25kg/bag


    1. What’s your payment terms?
    T/T or L/C.

    2. What’s your delivery time?
    Usually we will arrange the shipment in 7 -15 days.

    3. How about the packing?
    Usually we provide the packing as 25 kg / bag or carton. Of course, if you have special requirements on them, we will according to you.

    4. How about the validity of the products?
    According to the products you ordered.

    5. What documents you provide? 
    Usually, we provide Commerical Invoice, Packing List, Bill of loading, COA , Health certificate and Origin certificate. If your markets have any special requirements, let us know.

    6. What is loading port?
    Usually is Shanghai,Qingdao or Tianjin.

    Write your message here and send it to us