CAS 116-71-2 appears in our catalog under these names: Anthra(9，1，2–cde)benzo(rst)pentaphene–5，10–dione, Anthra(9,1,2-cde)benzo(rst)pentaphene-5,10-dione, Violanthrone Strength ≥290%, Anthra[9,1,2-cde]benzo[rst]pentaphene-5,10-dione, Strength ≥290%, Strength ≥290%, Anthra[9,1,2-cde]benzo[rst]pentaphene-5,10-dione, Strength ≥290%. Offered by: GLPBio, Biosynth, Ambeed, Chemat, Fluorochem. Available pack sizes: 1g, 250mg, 25g, 5g, 2000mg, 1000mg, 5000mg, 10g.