(-)-Epinephrine, also known as adrenaline, is a vital catecholamine that plays a crucial role in the body's fight-or-flight response. This compound is widely recognized for its applications in both medical and research settings. In clinical practice, (-)-Epinephrine is primarily used in emergency medicine, particularly for its ability to rapidly reverse severe allergic reactions (anaphylaxis) and to restore cardiac rhythm in cases of cardiac arrest. Its potent vasoconstrictive properties make it invaluable in managing hypotension during anesthesia and in treating asthma attacks by dilating the airways.

In research, (-)-Epinephrine serves as a key tool in studying adrenergic receptors and their physiological effects, providing insights into stress responses and metabolic regulation. Its unique ability to stimulate both alpha and beta-adrenergic receptors distinguishes it from other compounds, making it a preferred choice for researchers exploring cardiovascular and respiratory functions. With its multifaceted applications and critical role in both therapeutic and experimental contexts, (-)-Epinephrine remains an essential compound for healthcare professionals and researchers alike.