Milk Thistle Extract Details Product Name: Milk Thistle Extract Herb Source: Silybum marianum(Linne) Gaertner Part Used: Fruit Appearance: Light Yellow Powder Active Ingredient: Silymarin, Silibinin Specification: 80% Silymarin UV, 30% Silybin HPLC Test Method: HPLC Milk Thistle Extract CAS#: 84604-20-6 Silymarin CAS#: 65666-07-1 Silymarin Molecular Formula & Molecular Weight: C25H22O10; 482.44 Silymarin Structural Formula: What Is Milk Thistle Extract ? …