Description: Peptide to Dynorphin A (13-17) (Porcine) Form: Lyophilized powder Molecular Formula : C30H43N9O10Molecular Weight : 689.73Purity : > 95%Chemical Structure : Lys-Trp-Asp-Asn-GlnStorage/Stability : Shipped at 4°C. Store at -20°C for one year.