N-(Methyltetrazine-PEG2)-N-bis(PEG3-azide) is a branched, click-chemistry PEG linker with two terminal azide groups that can undergo click reactions with BCN, DBCO, alkyne. Methyltetrazine is a click chemistry handle which is used to efficiently react with trans-cyclooctenes (TCO). The PEG chain imparts water solubility.
Usually ships within 24 hours.