CAS 604000-99-9 appears in our catalog under these names: 4-Formyl-3-nitrobenzoic acid, 4-Formyl-3-nitrobenzoic acid 95%, 4-Formyl-3-nitrobenzoic acid, 98%, 98%, 4-Formyl-3-nitrobenzoic acid, 98%. Offered by: Biosynth, Ambeed, Chemat, Fluorochem. Available pack sizes: 10g, 1g, 250mg, 5g, 100mg.