CAS 71550-33-9 appears in our catalog under these names: 16,17-Bis(decyloxy)anthra[9,1,2-cde]benzo[rst]pentaphene-5,10-dione, 97%, 97%, 16,17-Bis(decyloxy)violanthrone. Offered by: Chemat, MedChemExpress. Available pack sizes: 250mg, 1g, 5g, 50 mg, 250 mg, 100 mg, 1 g.