Specification Product name: Fucoidan(Kelp Extract) Botanical Source: Laminaria Japonica Aresch Specification: Fucoidan: 10-90% Molecular formula: C42H58O6 Molecular Weight: 658.91 Appearance: Off white to light yellow SPECIFICATION: 85%, 90% CAS NO.: 9072-19-9 Molecular formula: (C6H10O7S)n Molecular Weight: 658.91 1kg foil bag, 25kg/drum ,double plastic bags for inner packing and carton drum for outer packing