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 maleimide (pyrrole) moiety allows for efficient and stable conjugation via thiol-maleimide chemistry, 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.