CAS 459-57-4 appears in our catalog under these names: 4-Fluorobenzaldehyde, 4-Fluorobenzaldehyde, 95%, 4-Fluorobenzaldehyde, 98% , 4-Fluorobenzaldehyde, 97.50%, 4-Fluorobenzaldehyde, 98+%. Offered by: Chemat Brand, Biosynth, Fluorochem, Combi-blocks, Thermo Scientific (Alfa Aesar). Available pack sizes: on request, 0,5kg, 0,25kg, 1kg, 2kg, 5kg, 10g, 100g.