Description: Peptide to Alpha-Conotoxin SI Form: Lyophilized powder CAS Number : 115797-06-3Molecular Formula : C55H84N16O16S4Molecular Weight : 1353.6Purity : > 95%Chemical Structure : Ile-Cys-Cys-Asn-Pro-Ala-Cys-Gly-Pro-Lys-Tyr-Ser-Cys-NH2 (Disulfide bridges Cys2-Cys7, Cys3-Cys13)Storage/Stability : Shipped at 4°C. Store at -20°C for one year.