Description: Peptide to Mating Factor a SK2 Form: Lyophilized powder CAS Number : 89718-47-8Molecular Formula : C81H106N18O19SMolecular Weight : 1667.92Purity : > 95%Chemical Structure : Trp-His-Trp-Leu-Ser-Phe-Ser-Lys-Gly-Glu-Pro-Met-TyrStorage/Stability : Shipped at 4°C. Store at -20°C for one year.