2,4,7,8,9-Penta-O-acetyl-N-acetylneuraminic Acid Methyl Ester-100g 2,4,7,8,9-Penta-O-acetyl-N-acetylneuraminic Acid Methyl Ester Additional information Additional information Weight 0.1 kg Size 100 g For Research & Development use only. Not for testing and/or use on humans.