CAS 58556-77-7 appears in our catalog under these names: 2,7–Diiodonaphthalene, 2,7-Diiodonaphthalene 97%, 2,7-Diiodonaphthalene, 97%, 97%, 2,7-Diiodonaphthalene, 97%. Offered by: GLPBio, Ambeed, Chemat, Fluorochem. Available pack sizes: 100mg, 1g, 250mg, 5g.