Collagen (CAS NO.9007-34-5) is extensively applied in food, medicine, daily chemical, ... industry and chemical industry. Collagen (CAS NO.9007-34-5)is a water-soluble protein that is the product ... of enzyme catalyzed of gelatin. Collagen (CAS NO.9007-34-5) is extensively applied in food, medicine, daily chemical, ... , impotence. info at onlychemcn com Collagen (CAS NO.9007-34-5)