11-叠氮-3,6,9-三氧杂十一烷-1-胺 98%

1-Amino-11-azido-3,6,9-trioxaundecane is a PEG derivative, which contains a free amine that can be conjugated to biological molecules directly by an amide linkage and an azide that can be reduced to an amine for conjugation to other molecules.