TCO-PNB Ester contains two reactive substituents. The PNB ester is reactive with amine groups. TCO group can participate in Click Chemistry reactions with tetrazine and can be used to label antibodies and proteins. 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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