CAS 16823-51-1 appears in our catalog under these names: Reactive Blue 5, Reactive Blue 5, 25 g, Reactive Blue 5, 50 g, Reactive Blue 5, 100 g, Reactive Blue 5, 250 g. Offered by: Biosynth, MedChemExpress, Roth. Available pack sizes: 50g, 25g, 100g, 250g, 500g, Get quote.