CAS 93390-81-9 appears in our catalog under these names: Fosphenytoin/ 100%, [(2,5-dioxo-4,4-diphenylimidazolidin-1-yl)methoxy]phosphonic acid, Fosphenytoin. Offered by: TargetMol, Chemat, MedChemExpress. Available pack sizes: 5mg, 10mg, 25mg, 50mg, 100mg, Get quote.