CAS 5434-20-8 appears in our catalog under these names: 3-Aminophthalic acid, 90%, Apremilast Impurity 26, 3-Aminophthalic Acid, 3–Aminophthalic acid, 3-Aminophthalic Acid, >95.0%(T). Offered by: Combi-blocks, Chemat Brand, TRC, GLPBio, TCI. Available pack sizes: 1g, 10g, 5g, 25g, 100g, on request, 100mg, 250mg.