CAS 7704-72-5 appears in our catalog under these names: Fumaric acid potassium(1:x), Fumaric acid xpotassium salt 95%, Fumaric acid potassium(1:x), 95%, 95%, Potassium fumarate, 95%, Fumaric acid potassium(1:x), 97%. Offered by: GLPBio, Ambeed, Chemat, Fluorochem. Available pack sizes: 25g, 250mg, 1g, 5g, 10g.