This compound is primarily utilized in the field of bioconjugation and protein labeling. It serves as a versatile linker for attaching various molecules, such as fluorescent dyes or drugs, to proteins or peptides. The reactive pyrrole moiety allows for efficient and stable conjugation, making it valuable in the development of targeted therapies and diagnostic tools. Additionally, it is employed in the synthesis of antibody-drug conjugates (ADCs), where it helps in delivering cytotoxic agents specifically to cancer cells, minimizing off-target effects. Its role in creating precise biomolecular constructs is crucial for advancing research in biochemistry and medicine.