CAS 528-45-0 appears in our catalog under these names: 3,4-Dinitrobenzoic acid, 98%, 3,4–Dinitrobenzoic Acid, 3,4-Dinitrobenzoic acid, 98+% , 3,4-Dinitrobenzoic acid, 3,4-Dinitrobenzoic Acid, >98.0%(GC)(T). Offered by: Combi-blocks, GLPBio, Thermo Scientific (Alfa Aesar), Biosynth, TCI. Available pack sizes: 25g, 5g, 1g, 100g, 0,05kg, 0,025kg, 0,1kg, 0,25kg.