CAS 54925-71-2 appears in our catalog under these names: 2'-O-tert-Butyldimethylsilyluridine, 2'-TBDMS-rU, 95%, 2'-TBDMS-RU, 95%, 95%, 1–((2R,3R,4R,5R)–3–((tert–Butyldimethylsilyl)oxy)–4–hydroxy–5–(hydroxymethyl)tetrahydrofuran–2–yl)pyrimidine–2,4(1H,3H)–dione. Offered by: Biosynth, Fluorochem, Chemat, GLPBio. Available pack sizes: 2g, 1g, 5g, 10g, 100mg, 250mg.