API
IMPURITY
CHEMICAL NAME
STRUCTURE
2
Candesartan Cilexetil

EP Impurity B

(1RS)-1-[[(cyclohexyloxy)carbonyl]oxy]ethyl 2-oxo-3-[[2′-(1H-tetrazol-5-yl)biphenyl-4-yl]methyl]-2,3-dihydro-1H-benzimidazole-4-carboxylate Candesartan-Cilexetil_EP-Impurity-B
Candesartan Cilexetil

EP Impurity A

ethyl 2-ethoxy-1-[[2′-(1H-tetrazol-5-yl)biphenyl-4-yl]methyl]-1H-benzimidazole-7-carboxylate Candesartan-Cilexetil_EP-Impurity-A
Candesartan Cilexetil

EP Impurity D

(1RS)-1-[[(cyclohexyloxy)carbonyl]oxy]ethyl 3-[[2′-(2-ethyl-2H-tetrazol-5-yl)biphenyl-4-yl]methyl]-2-oxo-2,3-dihydro-1H-benzimidazole-4-carboxylate Candesartan-Cilexetil_EP-Impurity-D
Candesartan Cilexetil

EP Impurity C

(1RS)-1-[[(cyclohexyloxy)carbonyl]oxy]ethyl 3-[[2′-(1-ethyl-1H-tetrazol-5-yl)biphenyl-4-yl]methyl]-2-oxo-2,3-dihydro-1H-benzimidazole-4-carboxylate Candesartan-Cilexetil_EP-Impurity-C
Candesartan Cilexetil

EP Impurity E

(1RS)-1-[[(cyclohexyloxy)carbonyl]oxy]ethyl 2-ethoxy-1-[[2′-(1-ethyl-1H-tetrazol-5-yl)biphenyl-4-yl]methyl]-1H-benzimidazole-7-carboxylate Candesartan-Cilexetil_EP-Impurity-E
Candesartan Cilexetil

EP Impurity F

(1RS)-1-[[(cyclohexyloxy)carbonyl]oxy]ethyl 2-ethoxy-1-[[2′-(2-ethyl-2H-tetrazol-5-yl)biphenyl-4-yl]methyl]-1H-benzimidazole-7-carboxylate Candesartan-Cilexetil_EP-Impurity-F
Candesartan Cilexetil

EP Impurity G

2-ethoxy-1-[[2′-(1H-tetrazol-5-yl)biphenyl-4-yl]methyl]-1H-benzimidazole-7-carboxylic acid (candesartan) Candesartan-Cilexetil_EP-Impurity-G
Candesartan Cilexetil

EP Impurity H

(1RS)-1-[[(cyclohexyloxy)carbonyl]oxy]ethyl 2-ethoxy-1-[[2′-[1-(triphenylmethyl)-1H-tetrazol-5-yl]biphenyl-4-yl]methyl]-1H-benzimidazole-7-carboxylate (N-tritylcandesartan) Candesartan-Cilexetil_EP-Impurity-H