CAS 52924-54-6 appears in our catalog under these names: 2,3-Dihydroxy-5-nitrobenzaldehyde 98%, 2,3-Dihydroxy-5-nitrobenzaldehyde, 98%, 98%, 2,3-Dihydroxy-5-nitrobenzaldehyde, 98%. Offered by: Ambeed, Chemat, Fluorochem. Available pack sizes: 100mg, 250mg, 1g, 5g.