Original plant: Root of Polygonum cuspidatum Sieb. et Zucc Specification: 10%~98% Synonym(s): trans-3,4',-5-trihydroxystilebene Chemical Name: 3,4’,5-trihydroxy-trans-stilbene;5-[(1E)-2-(4-hydroxyphenyl)ethenyl]-1,3- benznediol Test Method: HPLC Molecular Formula: C14 H12O3 Molecular Weight: 228.25 CAS No.: 501-36-0 Melting Point : 253~255 ℃ Solubility: Soluble in Ethanol and Propanol. Pharmacology Action: Resveratrol is a natural anti-oxidants,it can inhibit tumor,also has the role of estrogen-like effect and can be used for the treatment of breast cancer and other diseases.