Morpholine-3-carboxylic acid hydrochloride is primarily used in organic synthesis as a versatile building block for the development of various pharmaceutical compounds. Its structure makes it valuable in the creation of heterocyclic compounds, which are often key components in drugs targeting neurological disorders, infections, and other medical conditions. Additionally, it serves as a precursor in the synthesis of complex molecules, particularly in medicinal chemistry research, where it aids in the design and optimization of drug candidates. Its hydrochloride form enhances solubility, making it easier to handle in laboratory settings. This compound is also explored in the development of agrochemicals and specialty chemicals due to its unique chemical properties.