CAS 5423-07-4 appears in our catalog under these names: Nitrazine Yellow , Nitrazine Yellow (C.I. 14890), 85.00%, Nitrazine Yellow, indicator grade, Nitrazine yellow BS, Nitrazine Yellow. Offered by: Thermo Scientific (Alfa Aesar), Chemat, Thermo Scientific (Acros), Ambeed, MedChemExpress. Available pack sizes: 1g, 5g, 25g, 1 g, 10g.