Methyltetrazine-PEG4-acid

Methyltetrazine-PEG4-acid is a PEG-based PROTAC linker that can be used in the synthesis of PROTACs[1]. Methyltetrazine-PEG4-acid is a click chemistry reagent, it contains a Tetrazine group that can undergo an inverse electron demand Diels-Alder reaction (iEDDA) with molecules containing TCO groups.