CAS 1416711-60-8 appears in our catalog under these names: DBCO–PEG4–alcohol, DBCO-PEG(4)-OH, DBCO-PEG4-alcohol, DBCO-PEG4-alcohol 96%, 11,12-Didehydro-N-[2-[2-[2-(2-hydroxyethoxy)ethoxy]ethoxy]ethyl]-ε-oxodibenz[b,f]azocine-5(6H)-hexanamide, 96%, 96%. Offered by: GLPBio, Iris Biotech, Biosynth, Ambeed, Chemat. Available pack sizes: 100mg, 250mg, 500mg, 25mg, 50mg, 1g, 10 mg, 50 mg.