CAS 81644-55-5 appears in our catalog under these names: 6–Mercapto–6–deoxy–β–Cyclodextrin, Mono(6-mercapto-6-deoxy)-β-cyclodextrin, 6-Mercapto-6-deoxy-β-Cyclodextrin 95%, 6-Mercapto-6-deoxy-β-Cyclodextrin, 95%, 95%, 6-Mercapto-6-deoxy-β-Cyclodextrin. Offered by: GLPBio, Biosynth, Ambeed, Chemat, Fluorochem. Available pack sizes: 1g, 250mg, 5g, 50mg, 25mg, 100mg, 500mg.