Used in organic electronics due to its electron-deficient tetrazine core, enabling applications in semiconducting materials and fluorescent sensors. Its extended aromatic structure enhances π-conjugation, making it suitable for use in OLEDs and as a building block in supramolecular chemistry. Also employed in bioorthogonal chemistry for labeling biomolecules, thanks to the tetrazine's ability to undergo rapid inverse electron-demand Diels-Alder reactions with strained alkenes and alkynes. The biphenyl and sulfur moieties improve solubility and facilitate functionalization for targeted molecular design. Additionally, applications in bioimaging and targeted drug delivery are under investigation, particularly for disease diagnostics and monitoring drug distribution in the body.