CAS 74299-50-6 appears in our catalog under these names: 2'-Deoxyadenosine-5'-triphosphate disodium salt, 95%, Sodium ((2R,3S,5R)–5–(6–amino–9H–purin–9–yl)–3–hydroxytetrahydrofuran–2–yl)methyl dihydrogentriphosphate, dATP, 2'-Deoxyadenosine-5'-triphosphate disodium salt, 2'-DEOXYADENOSINE 5'-TRIPHOSPHATE &. Offered by: Combi-blocks, GLPBio, Biosynth, Sigma-Aldrich, Chemat. Available pack sizes: 100mg, 1g, 250mg, 500mg, 25mg, 50mg, 1000mg, 10MG.