B 5244 (OTTO) 3-((Bis(diisopropylamino)phosphino)oxy), 97% Cas 102691-36-1 - used in preparation of prosphoramidite reagent, required for synthesis of 12-mer oligodeoxynucleotide. B 5244 (OTTO) 3-((Bis(diisopropylamino)phosphino)oxy), 97% Cas 102691-36-1 - used as phosphorylating agent in synthesis of 1,2-diacyl-sn-glycerophosphatidylserine.