CAS 4671-82-3 appears in our catalog under these names: 1,3-Propylenediphosphonic acid, 95%, Propane-1,3-diylbis(phosphonic acid), 98+%, Propane–1,3–diylbis(phosphonic acid), 1,3-Propylenediphosphonic Acid, >98.0%(T), 1,3-Propylenediphosphonic Acid, 98%, 98%. Offered by: Combi-blocks, AmBeed, GLPBio, TCI, Chemat. Available pack sizes: 1g, 5g, 100mg, 250mg.