Azilsartan Impurities

Azilsartan Impurities 1.Impurity Name : Azilsartan Impurity-8 Chemical Name: Diacetyl CAS No:431-03-8 2.Impurity Name : Azilsartan Impurity-7 (2-EHA) Chemical Name: 2-ethylhexanoic acid CAS No : 149-57-5 3.Impurity Name: Azilsartan Impurity-1 (ARA-3) Chemical Name: 2-ethoxy-1-((2'-(5-oxo-4,5-dihydro-1,2,4-oxadiazol-3-yl)-[1,1'-biphenyl]-4-yl)methyl)-1H-benzo[d]imidazole-7-carboxylic acid CAS No : 147403-03-0 4.Impurity Name: Azilsartan Impurity-3 (Methyl Ester) Chemical Name:Methyl 2-ethoxy-1-((2'-(5-oxo-4,5-dihydro-1,2,4-oxadiazol-3-yl)-[1,1'-biphenyl]-4-yl)methyl)-1H benzo[d]imidazole-7-carboxylate 5.Impurity Name: Azilsartan Impurity-2 (ARA-2) Chemical Name:Ethyl 2-ethoxy-1-((2'-(5-oxo-4,5-dihydro-1,2,4-oxadiazol-3-yl)-[1,1'-biphenyl]-4-yl)methyl)-1H-benzo[d]imidazole-7-carboxylate 6.Impurity Name:Azilsartan Impurity-5 (Bis imp.) Chemical Name: (5-methyl-2-oxo-1,3-dioxol-4-yl)methyl 2-ethoxy-1-((2'-(4-((5-methyl-2-oxo-1,3-dioxol-4-yl)methyl)-5-oxo-4,5-dihydro-1,2,4-oxadiazol-3-yl)-[1,1'-biphenyl]-4-yl)methyl)-1H-benzo[d]imidazole-7-carboxylate 7.Impurity Name:Azilsartan Impurity-6 (Des-Ethyl) Chemical Name:(5-methyl-2-oxo-1,3-dioxol-4-yl)methyl 2-hydroxy-1-((2'-(5-oxo-4,5-dihydro-1,2,4-oxadiazol-3-yl)-[1,1'-biphenyl]-4-yl)methyl)-1H-benzo[d]imidazole-7-carboxylate. We will Provide COA, HPLC, MASS, NMR along with material.