CAS 55928-90-0 appears in our catalog under these names: 5–Bromopyridazin–4–amine, 5-Bromopyridazin-4-amine, 5-Bromopyridazin-4-amine 98%, 5-Bromopyridazin-4-amine, 98%, 98%, 5-Bromopyridazin-4-amine, 97%. Offered by: GLPBio, Biosynth, Ambeed, Chemat, Fluorochem. Available pack sizes: 100mg, 1g, 250mg, 5g, 2g, 10g, 25g, 500mg.