... or light yellow powder,Molecular Formula: (C12H18O4N3)nCAS: 9064-67-9 Product Assay: Not less than 95% Molecular Weight: ... can prevent the damage caused by exposure to the sun, inside, it can prevent the free radicals to harm ... Store in a well-closed container, away from direct sun light and moisture Shelf Life: 24 months if stored properly ... Fish Collagen polypeptide,white powder, CAS NO.[9064-67-9]