CAS 3118-97-6 appears in our catalog under these names: Sudan 2, Sudan 2 100 µg/mL in Acetonitrile, Sudan II, >95% (HPLC), Sudan II/ 98.45% (existing batch purity), Sudan II. Offered by: Dr. Ehrenstorfer, TRC, TargetMol, GLPBio, Thermo Scientific (Alfa Aesar). Available pack sizes: 100mg, 1ml, 1g, 500mg, 5g, 25mg, 50mg, 25g.