N-[[2''-(1-Trityl-1H-tetrazol-5-yl)biphenyl-4-yl]methyl] Pentanamide is an intermediate in the synthesis of N-((2''-(1H-Tetrazol-5-yl)-[1,1''-biphenyl]-4-yl)methyl)pentanamide (T283965), which is an impurity of Valsartan (V095750), an antihypertensive and a nonpeptide angiotensin II AT1-receptor antagonist.