CAS 1621884-22-7 appears in our catalog under these names: 2'-Deoxy-2'-fluoro-2'-C-methyluridine 5'-triphosphate sodium salt, PSI-7409 tetrasodium 99%, Sodium ((2R,3R,4R,5R)-5-(2,4-dioxo-3,4-dihydropyrimidin-1(2H)-yl)-4-fluoro-3-hydroxy-4-methyltetrahydrofuran-2-yl)methyl triphosphate, PSI-7409 (tetrasodium), 99.31%. Offered by: Biosynth, Ambeed, Chemat, MedChemExpress. Available pack sizes: 5mg, 1mg, 10mg, 25mg, 50mg, 25 mg, 1 mg, 5 mg.