This compound is primarily used in peptide synthesis, particularly in solid-phase peptide synthesis (SPPS). It serves as a building block for introducing D-serine residues into peptide chains. The Fmoc (9-fluorenylmethoxycarbonyl) group acts as a protecting group for the amino group, ensuring selective reactions during the synthesis process. The acetyl (AC) group protects the hydroxyl side chain of serine, preventing unwanted side reactions. This chemical is especially valuable in the production of peptides with specific stereochemistry, as it incorporates the D-form of serine, which is less common in nature but crucial for certain bioactive peptides. Its applications extend to the development of pharmaceuticals, research peptides, and biochemical studies where precise peptide sequences are required.