Gly-Gly-Gly-PEG3-TCO is a cleavable PEG linker used in the synthesis of antibody-drug conjugates. Reagent grade, for research purpose. Please contact us for GMP-grade inquiries. The half-life of TCO is short as it will naturally isomerize into CCO (cis-cycloctene) and lose the reactivity. TCO compound is not recommended for long term storage.
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