CAS 1840886-10-3 appears in our catalog under these names: DBCO–PEG4–amine, DBCO-PEG4-amine, DBCO-PEG4-amine 98%, N-(14-Amino-3,6,9,12-tetraoxatetradec-1-yl)-11,12-didehydro-γ-oxodibenz[b,f]azocine-5(6H)-butanamide, 98%, 98%. Offered by: GLPBio, Biosynth, Ambeed, Chemat, MedChemExpress. Available pack sizes: 100mg, 50mg, 250mg, 1g, 5 mg, 10 mg.