(1S,2S)-1-Amino-1-phenylpropan-2-ol hydrochloride is primarily used in the pharmaceutical industry as a chiral building block for the synthesis of various drugs. Its stereochemistry makes it valuable in the production of enantiomerically pure compounds, which are crucial for developing medications with high specificity and reduced side effects. It is often employed in the synthesis of beta-blockers, a class of drugs used to manage cardiovascular conditions such as hypertension, arrhythmias, and angina. Additionally, it serves as an intermediate in the preparation of other bioactive molecules, including antidepressants and central nervous system (CNS) agents. Its role in asymmetric synthesis also contributes to advancements in medicinal chemistry, enabling the creation of more effective and targeted therapies.