Medchemexpress, HY-17512A 5g Losartan (potassium) DuP-753 potassium CAS:124750-99-8 Formula:C22H22ClKN6O IC50: 20 nM (angiotensin II) Purity:98% Losartan (potassium) is an angiotensin II receptor antagonist, competing with the binding of angiotensin II to AT1 receptors with IC 50 of 20 nM. Medchemexpress has over 10000 novel life-science reagents, reference compounds, APIs and natural compounds for laboratory and scientific use. Other quantity can also be offered.