CAS 3147-14-6 appears in our catalog under these names: Calmagite, 98%, Calmagite/ min. 98%, Calmagite, indicator grade , Calmagite [Metal indicator for Ca, Mg etc.], 1-(1-Hydroxy-4-methyl-2-phenylazo)-2-naphthol-4-sulfonic acid, pure, Metal indicator. Offered by: AmBeed, TargetMol, Thermo Scientific (Alfa Aesar), TCI, Thermo Scientific (Fisher). Available pack sizes: 500g, 500mg, 5g, 25g, 100g, 1g, 10g, 500 mg.