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4,5-Dicyanoimidazole (DCI) participates as an activator in the synthesis of oligonucleotides
D 7889 (OTTO) 4,5-Dicyanoimidazole, 99% Cas 1122-28-7 - used to synthesize 5′-O-(4,4′-dimethoxytrityl)-2′-deoxythymidine 3′-O-(2-cyanoethyl N,N-diisopropylphosphoramidite).