CAS 52351-75-4 appears in our catalog under these names: 6–Methoxyisatin, 6-Methoxyisatin, >97.0%(HPLC)(T), 6-Methoxyindoline-2,3-dione, 6-Methoxyindoline-2,3-dione 98%, 6-Methoxy-2,3-Dioxyindole, 98%, 98%. Offered by: GLPBio, TCI, Biosynth, Ambeed, Chemat. Available pack sizes: 25g, 5g, 1g, 10g, 50g, 100g, 100mg, 250mg.