CAS 63399-77-9 appears in our catalog under these names: (R)–2–Methylproline Hydrochloride, H-alpha-Me-D-Pro-OH, H-α-Me-D-Pro-OH 97%, (R)-2-Methylpyrrolidine-2-carboxylic acid, 98%, 98%, (R)-2-Methylproline, 98%. Offered by: GLPBio, Iris Biotech, Ambeed, Chemat, Fluorochem. Available pack sizes: 1g, 25g, 5g, 100mg, 250mg, 10g.