5-Ethynyl-2'-deoxyuridine (EdU) is a nucleoside analog of thymidine used to monitor de novo DNA synthesis through click chemistry and serves as an alkyl chain-based PROTAC linker for synthesizing PROTACs.

DBCO-S-S-PEG3-biotin is a cleavable reagent for introduction of a biotin moiety to azide-containing biomolecules using copper-free Click Chemistry.?The disulfide bond in this linker can be cleaved using reducing agents such as DTT, BME and TCEP to remove the biotin label.?PEG Linkers can be used in the synthesis of PROTACs.

Boc-NH-PEG3-CH2COOH is a PEG-based PROTAC linker can be used in the synthesis of PROTAC