DBCO-PEG4-bis-PEG3-methyltetrazine is a branched PEG linker consisting of a DBCO group, which reacts with azides via click chemistry, and two methyltetrazine groups, which swiftly react with TCO via click chemistry. Its PEG spacers elevate hydrophilicity, while the branched design elevates ADC payload capacity. Reagent grade, for research use only.
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