Ethyl 4-amino-2-chloronicotinate is primarily utilized as a key intermediate in the synthesis of various pharmaceutical compounds. Its structure makes it valuable in the development of drugs targeting specific biological pathways, particularly in the creation of antiviral and antibacterial agents. The compound is also employed in organic synthesis to construct more complex molecules, often serving as a building block for heterocyclic compounds. Additionally, it finds application in research settings for studying chemical reactions and developing new methodologies in medicinal chemistry. Its versatility and reactivity make it a useful component in the production of active pharmaceutical ingredients (APIs) and other fine chemicals.