CAS 21752-29-4 appears in our catalog under these names: H-Gln-nh2 hydrochloride, 98%, H–Gln–NH₂ · HCl, (S)-2-Aminopentanediamide hydrochloride, ≥98%, ≥98%, (S)-2-Aminopentanediamide hydrochloride. Offered by: Combi-blocks, GLPBio, Chemat, Fluorochem. Available pack sizes: 250mg, 5g, 1g, 25g.