CAS 4197-07-3 appears in our catalog under these names: Chromotrope 2R, Chromotrope 2R , Chromotrope 2R (C.I. 16570), 75.00%, Chromotrope 2R, Chromotrope 2R, pure. Offered by: GLPBio, Thermo Scientific (Alfa Aesar), Chemat, TCI, Thermo Scientific (Acros). Available pack sizes: 100g, 1g, 25g, 5g, 25 g, 50g, 10g.