Cholecystokinin Octapeptide (1-3) (desulfated) is a research chemical that has various applications in the field of chemistry and biology. This compound contains a hydrogen atom that plays a crucial role in solvation processes. It can be used in supercritical reactions due to its ability to interact with hydroxyl groups on metallic surfaces like silicon substrates. Additionally, Cholecystokinin Octapeptide (1-3) (desulfated) is utilized in thiol-ene reactions and chromatographic separations.