1919794-40-3

(±)-H3RESCA-TFP ((±)-H3L28) is a tetrafluorophenyl ester derivative of restrained complexing agent (RESCA). (±)-H3RESCA-TFP can be used to conjugate the chelator with a biomolecule via amine coupling (e.g., N terminus and/or the ε-amino groups of lysine).