CAS 532-02-5 appears in our catalog under these names: 2–Naphthalenesulfonic acid (sodium salt), Naphthalene-2-sulfonic acid sodium salt, 98%, may cont. up t, Sodium 2-Naphthalenesulfonate, >98.0%(HPLC)(T), Sodium 2-naphthalenesulfonate, Naphthalene-2-sulfonic acid sodium salt, Ion pair chromatography. Offered by: GLPBio, Thermo Scientific (Alfa Aesar), TCI, Chemat, Thermo Scientific (Fisher). Available pack sizes: 100g, 10g, 1g, 25g, 5g, 1000g, 250g, 500g.