Molecular Formula: C57H70N12O9S2 Molecular Weight: 1131.37 CAS No.: 103222-11-3 Sequence: D-Phe-Cys-Tyr-D-Trp-Lys-Val-Cys-Trp-NH2 SPECIFI CATIONS: 1 .Appearance : White powder 2 .Water Content( Karl Fischer) : d5.0% 3 .Acetate Content( by HPLC) : d10.0% 4 .Amino Acid Composition : ± 10% of theoretical 5 .Purity ( by HPLC) : e98.0% 6 .Single Impurity( by HPLC) : d1.0% 7 .Peptide Content( by % N ) : e82% 8 .Assay( By Anhydrous, Acetic Acid-free ) : 95.0~ 105.0% 9 .Bacterial Endotoxins : d5EU/ mg Packing: plastic vial( dedicated for peptide packing) or glass vial, quantity according to customer' s detail requirement. Storage a cool( 2~ 8 ) & dry place protected from light, keep package close when not in use.