CAS 200260-37-3 appears in our catalog under these names: H–D–Asp–NH₂, H-D-ASP-NH2 98%, (R)-3,4-Diamino-4-oxobutanoic acid, 98%, 98%, (R)-3,4-Diamino-4-oxobutanoic acid, 98%. Offered by: GLPBio, Ambeed, Chemat, Fluorochem. Available pack sizes: 1g, 5g, 250mg, 100mg, 25g.