... light yellow powder,Molecular Formula: (C12H18O4N3)nCAS: 9064-67-9 Product Assay: Not less than 95% Molecular Weight ... scale as our Fish Scale Collagen raw material, by using modern biological technology, to production new nutrition ... Functions: Protect the skin, prevent the damage caused by exposure to the sunMoisturize the skin, maintain beauty, ... polypeptide,white powder, CAS NO.[9064-67-9]