CAS 849035-73-0 appears in our catalog under these names: [2-Bromo-4-(methylsulfonyl)phenyl]hydrazine, 95%, (2-Bromo-4-(methylsulfonyl)phenyl)hydrazine, 95%, [2-Bromo-4-(methylsulfonyl)phenyl]hydrazine. Offered by: Combi-blocks, AmBeed, Fluorochem. Available pack sizes: 1g, 5g.