Axispharm provides you with high purity 5-azidopentan-1-ol, a linker containing an azide group and a terminal hydroxyl group. Azido groups can react with alkynes, BCN, DBCO to form stable triazole bonds by Click Chemistry. The hydroxyl groups can be further derivatized or substituted with other reactive functional groups.
AxisPharm offers 5000+ PEG Linkers with high purity. Different kinds of PEG Reagents may be available by custom synthesis.