CAS 91511-83-0 appears in our catalog under these names: 6-Bromo-4-methoxy-1,3-dioxaindane, 6-Bromo-4-methoxybenzo[d][1,3]dioxole 98%, 6-Bromo-4-methoxy-1,3-benzodioxole, 98%, 98%, 6-BROMO-4-METHOXY-1,3-BENZODIOXOLE, 98%. Offered by: Biosynth, Ambeed, Chemat, Fluorochem. Available pack sizes: 100mg, 1g, 250mg, 5g.