CAS Number: 51833-78-4 Molecular Weight: 898.48 Salt Form: Acetate Purity: >96% Sequence (3-letter): Asp-Arg-Val-Tyr-Ile-His-Pro-OH Sequence (1-letter): DRVYIHP-OH Storage: -20 ?C or below Angiotensin (Ang) (1-7) is a vasodilating agent which is part of the renin-angiotensin system (RAS). It can be formed by cleavage of Ang I by neprilysin or from Ang II through Angiotensin Converting enzymes (ACEs). Ang (1-7) is an antagonist of the Mas receptor.