CAS 889949-27-3 appears in our catalog under these names: 3–Amino–3–(1–Boc–3–pyrrolidyl)propanoic Acid, 3-Amino-3-(1-Boc-3-pyrrolidyl)propanoic Acid, >95%, >95%, 3-Amino-3-(1-(tert-butoxycarbonyl)pyrrolidin-3-yl)propanoic acid, 3-Amino-3-[1-(tert-butoxycarbonyl)pyrrolidin-3-yl]propanoic acid, 95%. Offered by: GLPBio, Chemat, Fluorochem, Combi-blocks. Available pack sizes: 1g, 250mg, 100mg.