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Caffeic acid CAS 331-39-5

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Product Name: Caffeic acid


3,4-Dihydroxycinnamic acid

Molecular Structure:


Item Specifications
CAS No. 331-39-5
Molecular Formula C9H8O4
Molecular Weight 180.16
Appearance White yellow powder
Purity 99.0 % Min

Packing: 25kg/Bag



Caffeic acid belongs to phenolic compounds and has pharmacological effects such as cardiovascular protection, anti mutagenic and anti cancer, antibacterial and antiviral, lipid-lowering and hypoglycemic, anti leukemia, immune regulation, cholagogue and hemostasis, and antioxidant properties.


  1. Caffeic acid can solidify microvessels, reduce permeability, improve coagulation function, and increase the number of white blood cells and platelets. It is commonly used in clinical practice for the prevention and treatment of various surgical and internal bleeding, and it has significant therapeutic effects on gynecological bleeding diseases. It is also used for chemotherapy and radiation therapy in tumor diseases and other causes of white blood cell thrombocytopenia, and it has certain therapeutic effects on diseases such as primary thrombocytopenia and aplastic white blood cell reduction.
  2. Caffeic acid can also be safely used in cosmetics, with a wide range of antibacterial and antiviral activities, and can absorb ultraviolet rays. Low concentration has the effect of inhibiting skin melanin production, with a dosage of 0.5-2% in whitening beauty products. It can be used as an auxiliary agent for oxidizing hair dyes, which is beneficial for enhancing the strength of the color.



Stored in a cool dry and ventilated place.


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