CAS 330628-04-1 appears in our catalog under these names: DMT–dG(dmf) Phosphoramidite, DMT-dG(dmf)-phosphoramidite, 2'-Deoxy-N2-DMF-5'-O-DMT-guanosine 3'-CE phosphoramidite, DMT-dG(dmf) Phosphoramidite 98%, DMT-dG(dmf) Amidite 100g, Single. Offered by: GLPBio, Iris Biotech, Biosynth, Ambeed, Sigma-Aldrich. Available pack sizes: 100mg, 10g, 50g, 100g, 5g, 25g, 1g, 500g.