CAS 439918-59-9 appears in our catalog under these names: H-D-beta-HPro-OH*HCl, H-D-β-HoPro-OH·HCl 95%, (R)-2-(Pyrrolidin-2-yl)acetic acid hydrochloride, 98%, 98%, (R)-2-(Pyrrolidin-2-yl)acetic acid hydrochloride, 97%. Offered by: Iris Biotech, Ambeed, Chemat, Fluorochem. Available pack sizes: 1g, 5g, 250mg, 100g, 100mg, 25g, 10g.