4-Amino-2-bromonicotinic acid is primarily utilized in the field of organic synthesis as a key intermediate for the development of more complex chemical compounds. It plays a significant role in the synthesis of pharmaceuticals, particularly in the creation of active pharmaceutical ingredients (APIs) that target various diseases. Its structure allows for further functionalization, making it valuable in the production of heterocyclic compounds, which are often found in drugs with antibacterial, antiviral, or anticancer properties. Additionally, it is used in research and development for designing novel molecules with potential therapeutic applications. Its bromo and amino groups make it a versatile building block in medicinal chemistry.