Used primarily in organic synthesis, this compound serves as a key intermediate in the production of pharmaceuticals and agrochemicals. It is particularly valuable in the development of heterocyclic compounds, which are essential in creating drugs with antibacterial, antifungal, and antiviral properties. Additionally, it plays a role in the synthesis of complex molecules for research purposes, aiding in the discovery of new therapeutic agents. Its reactive aldehyde group and chlorine atoms make it a versatile building block in various chemical reactions, including nucleophilic substitutions and condensations.