CAS 53958-47-7 appears in our catalog under these names: Heptakis–(6–azido–6–deoxy)–β–cyclodextrin, Heptakis-(6-azido-6-deoxy)-b-cyclodextrin, Heptakis(6-azido-6-deoxy)-β-cyclodextrin, 99%, 99%. Offered by: GLPBio, Biosynth, Chemat. Available pack sizes: 100mg, 250mg, 2g, 1g, 5g, 10g, 25g.