CAS 13529-17-4 appears in our catalog under these names: 5-Formyl-2-furancarboxylic acid, 96%, 5-Formylfuran-2-carboxylic Acid, 5–Formyl–2–furancarboxylic Acid, 5-Formyl-2-furancarboxylic acid, 5-Formyl-2-furancarboxylic Acid, >98.0%(T). Offered by: Combi-blocks, TRC, GLPBio, Biosynth, Thermo Scientific (Acros). Available pack sizes: 25g, 1g, 10g, 5g, 250mg, 500mg, 1000mg, 2000mg.