Broccoli Extract Details Product Name: Broccoli Extract Herb Source: Brassica oleracea L.var.italic Planch. Part Used: Seed Active Ingredient: Sulforaphane Specification: 0.5%-90% Sulforaphane, 5:1, 10:1 Test Method: HPLC, TLC Appearance: Green-yellow powder CAS#: 4478-93-7 Molecular Formula & Molecular Weight: C6H11S2NO; 177.29. Sulforaphane Structural Formula: Pharmacology: (1) The extract made from broccoli sprouts may prevent skin cancer when applied directly to the …