Candesartan Cilexetil EP Impurity I;( Candesartan Methyl Ester)

Candesartan Cilexetil EP Impurity I;( Candesartan Methyl Ester)

2-Ethoxy-1-[[2-[1-(triphenylmethyl)-1H-tetrazol-5-yl][1,1?-biphenyl]-4-yl]methyl]-1H-benzimidazole-7-carboxylic acid methyl ester

Impurity reference standard used for related substances testing of Candesartan drug substance and drug product per pharmacopoeial limits.