CAS 2302-96-7 appears in our catalog under these names: Sodium 4-((2-hydroxy-6-sulfonatonaphthalen-1-yl)diazenyl)naphthalene-1-sulfonate, 98%, Acid Red 13, Food Red 4, Acid Red 13, Sodium 4-((2-hydroxy-6-sulfonatonaphthalen-1-yl)diazenyl)naphthalene-1-sulfonate. Offered by: AmBeed, GLPBio, Biosynth, TCI, Chemat. Available pack sizes: 1g, 5g, 100g, 25g, 50g, 10g.