Specification :

Icariin
Cas number: 489-32-7
Herb Source: Isoln from Epimedium grandiflorum Morr..
Synonyms: 4’-O-methyl-8-r,r-dimethylallylkaempferol-3-rhamnoside-7-glucoside.
Molecula r Formula and Molecular Weight : C33H40O15676.65
Melting Point and solubility:mp231-232. Soluble in alcoholacetic ester and pyridine, insoluble in ether, benzene, chloroform and acetone.

Brief:yellow powder.
Pharmacology: therapeutic action on erectile dysfunction, protective effects on cerebral ischemia/reperfusion injured neurons, decreasing cell apoptosis, preventing intracellular calcium concentration elevation, enhancing anti-oxidant capacity, treating angina and increasing coronal-vein blood flux. Icariin shows effects on cardiovascular system, circulatory system, immune system, genital system and bone marrow system.