Category
Telmisartan
CAS Number
STD- 144701-48-4: IMP-A(RC-A)- 152628-02-9: IMP-B(RC-B)- 1026353-20-7: IMP-C - 144702-26-1: IMP-E- 884330-12-5: IMP-F- 915124-86-6
Molecular Formula
STD- C33H30N4O2: IMP-A(RC-A)- C19H20N4: IMP-B(RC-B)- C33H30N4O2: IMP-C - C37H38N4O2: IMP-E- C26H24N2O4: IMP-F- C33H31N5O
Molecular Weight
STD- 514.6: IMP-A(RC-A)- 304.4: IMP-B(RC-B)- 514.6: IMP-C - 570.7: IMP-E- 428.5: IMP-F- 513.6
Synonym

Telmisartan (4′-[[4-Methyl-6-(1-methyl-1H-benzimidazol-2-yl)-2-propyl-1H-benzimidazol-1-yl]methyl][1,1′-biphenyl]-2-carboxylic acid)

Telmisartan EP Impurity A (4-methyl-6-(1-methyl-1H-benzimidazol-2-yl)-2-propyl-1H-benzimidazole, Telmisartan USP Related Compound A)

Telmisartan EP Impurity B (4′-[[7-methyl-5-(1-methyl-1H-benzimidazol-2-yl)-2-propyl-1H-benzimidazol-1-yl]methyl][1,1′-biphenyl]-2-carboxylic acid, Telmisartan USP Related Compound B)

Telmisartan EP Impurity C (Tert-butyl 4′-[[4-methyl-6-(1-methyl-1H-benzimidazol-2-yl)-2-propyl-1H-benzimidazol-1-yl]methyl][1,1′-biphenyl]-2-carboxylate)

Telmisartan EP Impurity E (1-[(2′-carboxy[1,1′-biphenyl]-4-yl)methyl]-4-methyl-2-propyl-1H-benzimidazole-6-carboxylic acid)

Telmisartan EP Impurity F (4′-[[4-methyl-6-(1-methyl-1H-benzimidazol-2-yl)-2-propyl-1H-benzimidazol-1-yl]methyl][1,1′-biphenyl]-2-carboxamide)

Telmisartan for system suitability CRS

Telmisartan for System Suitability CRS is a certified reference substance used in chromatographic system checks to ensure the system is performing properly. It helps verify parameters like retention time, resolution, theoretical plates, and repeatability before analyzing actual telmisartan samples. This ensures reliability and compliance with pharmacopeial standards in pharmaceutical quality control.