CAS 104-03-0 appears in our catalog under these names: (4-Nitrophenyl)acetic Acid, 4–Nitrophenylacetic acid, p-Nitrophenylacetic acid, 4-Nitrophenylacetic acid, 98% , 4-Nitrophenylacetic Acid, >98.0%(HPLC)(T). Offered by: TRC, GLPBio, TargetMol, Thermo Scientific (Alfa Aesar), TCI. Available pack sizes: 25g, 50g, 5g, 250g, 500g, 5mg, 100g, 0,5kg.