CAS 73289-90-4 appears in our catalog under these names: 2–Hydroxyterephthalaldehyde, 2-Hydroxyterephthalaldehyde 98%, 2-Hydroxyterephthalaldehyde, 96%, 96%, 2-Hydroxy-benzene-1,4-dicarbaldehyde, 98%. Offered by: GLPBio, Ambeed, Chemat, Fluorochem. Available pack sizes: 100mg, 25mg, 500mg, 5g, 250mg, 1g.