CAS 42454-06-8 appears in our catalog under these names: 5-Hydroxy-2-nitrobenzaldehyde, >95% (HPLC), 5–Hydroxy–2–nitrobenzaldehyde, 5-Hydroxy-2-nitrobenzaldehyde, 97% , 5-Hydroxy-2-nitrobenzaldehyde, >98.0%(GC)(T), 5-Hydroxy-2-nitrobenzaldehyde 98%. Offered by: TRC, GLPBio, Thermo Scientific (Alfa Aesar), TCI, Ambeed. Available pack sizes: 10g, 1g, 5g, 100g, 25g, 500g, 1000g, 1kg.