Ald-Ph-PEG4-bis-PEG3-methyltetrazine

Ald-Ph-PEG4-bis-PEG3-methyltetrazine serves as a cleavable 7-unit PEG linker in the production of antibody-drug conjugates (ADCs) [1]. This compound, utilized as a click chemistry reagent, incorporates a Tetrazine group capable of engaging in an inverse electron demand Diels-Alder reaction (iEDDA) with TCO group-bearing molecules.