High Purity Beta-Amyloid Peptides Sequence: Asp-Ala-Glu-Phe-Arg-His-Asp-Ser-Gly-Tyr-Glu-Val-His-His-G ln-Lys-Leu-Val-Phe-Phe-Ala-Glu-Asp-Val-Gly-Ser-Asn-Lys-Gly-Ala-Ile-Ile-Gly-L eu-Met-Val-Gly-Gly-Val-Val; Molecular Formula: C194H295N53O58S1; Molecular Weight: 4329.90; Purity (HPLC): >95%; Store at: -20ºC