Cantharidin Animal source:Two insect-families belonging to beetles produce this substance :the Mylabris phalerata Pallas and the Mylabris cichorii L.de of Meloidae . Molecular formula and Molecular weight: C10H12O4，196 Structural formula: Physics quality:At the usual temperature, the cantharidin is an odorless and colorless solid. Its formula is C10H12O4 and its melting point is 218 °C.Dot dissolve cold water，dissolve hot water.hardly dissolve acctone,chloroform,aether etc. Pharmacology function: prevents tumour coming; Treat skin red sparkle or increase grow of hair N-hydroxycantharidimide be Strengthened liver cancer treatment.