Angiotensin acetate is primarily used in medical research and cardiovascular studies due to its role in regulating blood pressure and fluid balance. It acts as a potent vasoconstrictor, making it valuable in experiments that examine the mechanisms of hypertension and renal function. Researchers use it to simulate angiotensin activity in vitro and in vivo to study the renin-angiotensin system (RAS), which is critical for understanding heart disease, kidney disorders, and the development of antihypertensive drugs. It is also employed in pharmacological testing to evaluate the effectiveness of ACE inhibitors and angiotensin receptor blockers (ARBs). Due to its biological activity, it is not used therapeutically but serves as an essential tool in drug development and physiological research.