Methyltetrazine-PEG4-oxyamine is a cleavable 4 unit PEG ADC linker used in the synthesis of antibody-drug conjugates (ADCs)[1]. Methyltetrazine-PEG4-oxyamine 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.
DBCO-PEG3-oxyamine-Boc hydrochloride is an ADC linker[1]. DBCO-PEG3-oxyamine-Boc (hydrochloride) is a click chemistry reagent, it contains a DBCO group that can undergo strain-promoted alkyne-azide cycloaddition (SPAAC) with molecules containing Azide groups.