CAS 9080-79-9 appears in our catalog under these names: Sodium poly(styrenesulfonate), Poly(styrenesulfonic acid sodium salt), POLY(STYRENESULFONIC ACID SODIUM SALT) &, POLY(STYRENESULFONIC ACID SODIUM SALT). Offered by: Chemat Brand, GLPBio, Sigma-Aldrich. Available pack sizes: on request, 100g, 25g, 500g, 250MG.