7-Chloroquinoline-2-carbaldehyde is primarily used as an intermediate in the synthesis of various pharmaceutical compounds. It plays a crucial role in the development of antimalarial drugs, contributing to the creation of effective treatments for malaria. Additionally, it is utilized in the production of organic compounds with potential antimicrobial and anti-inflammatory properties. Its application extends to research laboratories, where it serves as a building block for synthesizing complex molecules in medicinal chemistry studies.