CAS 99540-94-0 appears in our catalog under these names: N-(9-((2R,4S,5R)-4-((tert-Butyldimethylsilyl)oxy)-5-(hydroxymethyl)tetrahydrofuran-2-yl)-6-oxo-6,9-dihydro-3H-purin-2-yl)isobutyramide, 95%, 95%, 3'-O-TBDMS-2'-dG(iBu), N-(9-((2R,4S,5R)-4-((tert-Butyldimethylsilyl)oxy)-5-(hydroxymethyl)tetrahydrofuran-2-yl)-6-oxo-6,9-dihydro-3H-purin-2-yl)isobutyramide, 95%. Offered by: Chemat, MedChemExpress, Fluorochem. Available pack sizes: 100mg, 250mg, 1g, Get quote.