TriLink offers a wide range of linkers, allowing flexibility in oligonucleotide design. Linkers can be placed at the 3' terminus, 5' terminus or internally. The most common linkers are listed below. If TriLink is synthesizing a conjugated oligonucleotide for you, the 5' or 3' C6-Amino linker is included for no additional charge at 0.2 and 1.0 μmole scales.