High Quality Hot Selling CAS 131-48-6 Sialic Acid EP /USP Standard with Best Price Inquire Product Description Factory supply high quality 131-48-6 / Sialic acid with Stocks Product name N-Acetylneuraminic acid CAS No 131-48-6 Purity 99%min MW 309.27 Brand MT Address China Packing and Shipping: