CAS 2708281-05-2 appears in our catalog under these names: Benzyl (14-amino-3,6,9,12-tetraoxatetradecyl)carbamate 95%, Benzyl (14-amino-3,6,9,12-tetraoxatetradecyl)carbamate, 98%, 98%, Cbz-PEG4-NH2. Offered by: Ambeed, Chemat, MedChemExpress. Available pack sizes: 100mg, 250mg, 1g, 5g, 10g, Get quote.