CAS 9003-04-7 appears in our catalog under these names: Poly(acrylic acid sodium salt) powder average Mw 15million-20million by GPC, POLYACRYLIC ACID SODIUM SALT STANDARD, Poly(acrylic acid, sodium salt) solutio&, POLY(ACRYLIC ACID, SODIUM SALT), 45 WT.&, POLY(ACRYLIC ACID, SODIUM SALT. Offered by: Ambeed, Sigma-Aldrich, Chemat, MedChemExpress. Available pack sizes: 100g, 1000g, 250MG, 100ML, 500ML, 500G, 25g, 50g.