CAS 18711-13-2 appears in our catalog under these names: 4,7–Dichloroisatin, 4,7-Dichloroisatin, 98% , 4,7-Dichloroisatin, 4,7-Dichloroindoline-2,3-dione 95%, 4,7-Dichloroindoline-2,3-dione, 95%, 95%. Offered by: GLPBio, Thermo Scientific (Alfa Aesar), Biosynth, Ambeed, Chemat. Available pack sizes: 25g, 5g, 1g, 10g, 1000g, 2000g, 100g.