CAS 39603-24-2 appears in our catalog under these names: 5,7–Dimethylisatin, 5,7-Dimethylisatin, 96% , 5,7-Dimethylisatin, 5,7-Dimethylindoline-2,3-dione 97% HPLC, 5,7-Dimethylindoline-2,3-dione, 98%, 98%. Offered by: GLPBio, Thermo Scientific (Alfa Aesar), Biosynth, Ambeed, Chemat. Available pack sizes: 100g, 25g, 5g, 10g, 50g, 1g.