CAS 149989-59-3 appears in our catalog under these names: DMT-dc(tac) phosphoramidite, DMT-dC(tac) Amidite 18g, Single, DMT-DC(TAC) AMIDITE 1G, AB, 12 PACK, DMT-DC(TAC) AMIDITE 2G, AB, 12 PACK, DMT-DC(TAC) AMIDITE 5G, 6 PACK. Offered by: Biosynth, Sigma-Aldrich. Available pack sizes: 5g, 10g, 18G, 12X1G, 12X2G, 6X5G.