CAS 134031-86-0 appears in our catalog under these names: 5'-O-[(Diisopropylamino)-(2-cyanoethoxy)phosphinyl]-3'-o-(4,4'-dimethoxytrityl)thymidine, 95%, 2'–OMe–UPhosphoramidite,97%, 3'-O-DMT-thymidine 5'-CE phosphoramidite, 3'-O-DMTr-thymidine 5'-CE phosphoramidite, 3'-O-DMT-thymidine 5'-CE phosphoramidite, min. 95 %, 100 mg. Offered by: Combi-blocks, GLPBio, Biosynth, MedChemExpress, Roth. Available pack sizes: 100mg, 1g, 250mg, 500mg, 1000mg, 5 g, 250 mg, 1 g.