Description: Peptide to [D-Pro4, D-Trp7, 9, 10]-Substance P (4-11) Form: Lyophilized powder CAS Number : 86917-57-9Molecular Formula : C62H74N14O10SMolecular Weight : 1207.43Purity : > 95%Chemical Structure : D-Pro-Gln-Gln-D-Trp-Phe-D-Trp-D-Trp-Met-NH2Application : A competitive antagonist at receptors for substance P, for bombesin and for cholecystokinin.Storage/Stability : Shipped at 4°C. Store at -20°C for one year.