CAS 173253-42-4 appears in our catalog under these names: 5-Bromo-6-chloropyrazin-2-amine, min. 95 %, 25 g, 2-Amino-5-bromo-6-chloropyrazine, 2–Amino–5–bromo–6–chloropyrazine, 5-Bromo-6-chloropyrazin-2-amine, 2-Amino-5-bromo-6-chloropyrazine 98%. Offered by: Roth, TargetMol, GLPBio, Biosynth, Ambeed. Available pack sizes: 25g, 1g, 5g, 250mg, 500mg, 10g, 50g, 1000g.