What is sialic acid?
Generally sialic acid is a naturally widespread carbohydrate which is an essential constituent of many glycoproteins, glycopeptides and glycolipids with numerous biological functions, including blood protein half-life regulation, a variety of toxins neutralization, cellular adhesion, immunological antigen-antibody reaction and glycoprotein lytic protection. Sialic acid is a starting reagent of biochemical derivatives for the synthesis pharmaceuticals also.

What does "Special Packaging" mean?
"Special Packaging" may describe our product split into aliquots in multiple vials. We strongly recommend the multiple-vial Special Packaging for lab users because it reduces the chance for deterioration of the product due to moisture and light. For all products available in multiple-vial Special Packaging, the chances of losing all your materials due to a spill is greatly reduced and it is easier for several people in your lab to have their own vial.