... yellow powder,Molecular Formula: (C12H18O4N3)nCAS: 9064-67-9 Product Assay: Not less than 95% Molecular Weight: ... skin, maintain beauty, significantly reduce wrinkles, age spots, black spots and etc. Fish Scale Collagen is eutrophy and ... skin, maintain beauty, significantly reduce wrinkles, age spots, black spots and etc. Make bones hard and flexible, not ... polypeptide,white powder, CAS NO.[9064-67-9]