CAS 51818-99-6 appears in our catalog under these names: 4–Amino–3–nitrobenzaldehyde, 4-amino-3-nitrobenzaldehyde, 4-Amino-3-nitrobenzaldehyde 97%, 4-Amino-3-nitrobenzaldehyde, 97%, 97%, 4-Amino-3-nitrobenzaldehyde, 96%. Offered by: GLPBio, Biosynth, Ambeed, Chemat, Fluorochem. Available pack sizes: 10g, 1g, 5g, 2,5g, 100mg, 250mg, 25g, 100g.