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  • Chemical Name: Daidzein
  • CAS No.:486-66-8
  • MF:C15H10O4
  • MW:254.24
  • Purity:≥98% or according to customer requested
  • Color: White to off-white
  • Product Categories:pharmacetical;Biochemistry Pharmaceutical Intermediates; APIs
  • Test method: HPLC


What is Daidzein?

Daidzein is a kind of flavonoids isoflavones, and is classified as a kind of phytoestrogens, which is a non-steroidal compound extracted from plants with functions similar to estrogen.

Studies have found that daidzein has weak estrogen and weak anti-estrogen effects. Daidzein is a solid substance that is insoluble in water.

 Basic information   

Product Name: Daidzein
Synonyms: Daidsein; 4,7-Dihydroxyisoflavone; SYNTHETIC DAIDZEIN, 98% ; 7,4′-Dihydroxyisoflavone; 
CAS: 486-66-8
MF: C15H10O4
MW: 254.24
EINECS: 207-635-4
Product Categories: pharmacetical; Biochemistry; Flavonoids; pharmaceutical intermediate; herbal extract; inhibitor; API;
Chemical Structure


Chemical Properties


Melting point  315-323°C (dec.)
Boiling point  317.45°C (rough estimate)
density  1.1629 (rough estimate)
refractive index  1.4300 (estimate)
storage temp.  2-8°C
solubility  DMSO: 10 mg/mL
pka 7.01±0.20(Predicted)
form  Powder
color  White to off-white
Water Solubility  insoluble
Merck  14,2801
BRN  231523
Daidzein Uses And Synthesis

Natural Daidzein

Daidzein mainly comes from leguminous plants, the seeds of soybean (dadou), red clover grass, or all Pueraria roots.Its chemical composition is complicated, including puerarin, xyloside, soy flavonoids, soybean flavonoid glycosides, beta-sitosterol, daidzin, daidzein. The main effective components are puerarin and daidzein.

Synthetic Daidzein

We could also produce Synthetic Daidzein according to the demand of customers.

Daidzein effects

It has the effect of expanding blood vessels, increasing coronary flow, lowering blood pressure, slowing down heart rhythm and reducing myocardial oxygen consumption and anti-arrhythmic effects, and has significant antibacterial effects on Staphylococcus aureus and Escherichia coli. It can increase the weight of mice and the weight of immune organs to prevent arrhythmia. Estrogen-like effect, anti-osteoporosis in the treatment of menopausal syndrome, anti-estrogen activity, prevention and treatment of breast cancer, endometritis, anti-hypoxia effect.

MSDS: MSDS available.

COA: COA can be available if you send us inquiry.

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Packaging and Shipping




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