Description_x000D_ Amino Acid Sequence_x000D_ Trp-Met-Asp-Phe-NH2_x000D_ Application_x000D_ Cholecystokinin Fragment 30-33 Amide can be used for inactivating the CCK8 antiserum. The product can also be used as an antigen utilized in absorption control for testing the specificity of antisera._x000D_ Biochem/physiol Actions_x000D_ Cholecystokinin Fragment 30-33 Amide also referred to as CCK-4 or Trp-Met-Asp-Phe amide is a peptide fragment derived from peptide hormone cholecystokinin. CCK-4 is a panicogenic agent that induces panic attacks in humans. This property of the compound can be used in scientific research for testing the new anxiolytic drugs._x000D_ Packaging_x000D_ Bottomless glass bottle. Contents are inside inserted fused cone._x000D_ Preparation Note_x000D_ Cholecystokinin Fragment 30-33 Amide dissolves in Dimethylformamide at 20 mg/ml to yield a clear, colorless to yellow solution.