CAS 587-98-4 appears in our catalog under these names: Acid Yellow 36, 98%, Sodium 3-((4-(phenylamino)phenyl)diazenyl)benzenesulfonate, Metanil Yellow, Acid Yellow 36, Acid Yellow 36 100 µg/mL in Acetonitrile. Offered by: AmBeed, Chemat, TRC, Dr. Ehrenstorfer, TargetMol. Available pack sizes: 25mg, 50mg, 10mg, 25g, 100g, 500g, 1g, 500mg.