Z-D-Pro-OH, also known as N-tert-butoxycarbonyl-D-proline, is a vital chemical compound widely utilized in organic synthesis and peptide chemistry. With the molecular formula C11H17NO4, it serves as a key building block for peptide synthesis and peptidomimetic development. Known for its high purity and stability, Z-D-Pro-OH plays an essential role in solid-phase and solution-phase peptide synthesis, enabling precise control over stereochemistry in the assembly of custom peptide sequences. Its applications span across diverse fields such as pharmaceutical research, drug discovery, and biochemistry, making it a valuable reagent for scientists and professionals.