H-Arg(Pmc)-OtBu (free base) is widely utilized in research focused on:

• Peptide Synthesis: This compound serves as a key building block in the synthesis of peptides, particularly in solid-phase peptide synthesis, enhancing the efficiency and yield of the process.
• Drug Development: It plays a significant role in the development of pharmaceutical compounds, especially those targeting specific biological pathways, due to its ability to modify amino acid sequences effectively.
• Bioconjugation: H-Arg(Pmc)-OtBu is used in bioconjugation techniques, allowing researchers to attach biomolecules to surfaces or other molecules, which is crucial in creating targeted drug delivery systems.
• Research in Cancer Therapeutics: The compound is explored in cancer research for its potential to enhance the efficacy of treatments by modifying drug properties, improving selectivity and reducing side effects.
• Protein Engineering: It aids in the engineering of proteins with desired properties, facilitating advancements in biotechnology and synthetic biology by enabling the design of novel proteins for various applications.