Amlodipine aspartic acid is a calcium channel blocker compound that exhibits antihypertensive and antianginal properties. It is important to note that Amlodipine aspartic acid impurity is an impurity specific to this compound.
Olmesartan medoxomil impurity C is an Olmesartan medoxomil impurity. Olmesartan medoxomil is a potent and selective angiotensin AT1 receptor inhibitor with IC50 of 66.2 μM.
[1]. Senda A, et al. Effects of Angiotensin II Receptor Blockers on Metabolism of Arachidonic Acid via CYP2C8. Biol Pharm Bull. 2015;38(12):1975-9. [2]. Shah S, et al. Simultaneous Quantitative Analysis of Olmesartan Medoxomil and Amlodipine Besylate in Plasma by High-performance Liquid Chromatography Technique. J Young Pharm. 2012 Apr;4(2):88-94.
Dehydro amlodipine is a potential impurity found in commercial preparations of amlodipine. It is a degradation product formed during storage or when amlodipine is subjected to oxidative or acidic conditions or undergoes photo or electrochemical degradation.