CAS 89-02-1 appears in our catalog under these names: 2,4-Dinitrobenzenesulfonic acid, min. 95 %, 1 g, 2,4-Dinitrobenzenesulfonic acid, 99.81%, 2,4-Dinitrobenzenesulfonic acid, min. 95 %, 10 g, 2,4-Dinitrobenzenesulfonic acid, min. 95 %, 2 g, 2,4-Dinitrobenzenesulfonic acid, min. 95 %, 5 g. Offered by: Roth, MedChemExpress. Available pack sizes: 1g, Get quote, 10g, 2g, 5g.