1,7'-Dimethyl-2'-propyl-1H,3'H-[2,5'-bibenzo[d]imidazol]-3'-ol
- CAS
- 884330-10-3
- Formula
- C19H20N4O
- MW
- 320.4 g/mol
ZX-027129
Impurity reference standards
Telmisartan impurity standards
46 characterised compounds linked to Telmisartan are catalogued here, from named pharmacopoeial impurities to synthesis intermediates and breakdown products. Highlights of the range are 11 pharmacopoeial impurities, 2 isotope-labelled standards, 2 metabolites or hydroxylated analogues and 1 degradation product.
46reference materials
11pharmacopoeial
2isotope labelled
2metabolites
Batches are supplied with a certificate of analysis, and the supporting spectra can be sent ahead of a purchase order so your QA team can review them. Laboratories use them to validate related-substance methods, set specification limits under ICH Q3A and Q3B, and identify unknown peaks in stability samples.
By impurity type
Pharmacopoeial11EP, USP, BP or JP named impurities
Isotope labelled2Deuterated, 13C or 15N internal standards
Metabolites2Hydroxy, desmethyl and conjugated forms
Degradants1N-oxides, dimers, lactones and breakdown products
Counts are based on product names. One compound can fall into more than one type.
All Telmisartan reference materials
1–46 of 46 standards
1H-Benzimidazole-4-methyl-2-propyl-6-carboxylic Acid
- CAS
- 152628-03-0
- Formula
- C12H14N2O2
- MW
- 218.25 g/mol
ZX-011931
3-Amino-4-(butyramido)-5-methyl-N-(2-(methylamino)phenyl)benzamide
- CAS
- 884330-17-0
- Formula
- C19H24N4O2
- MW
- 340.4 g/mol
ZX-042549
4-Methyl-2-propyl-1H-benzimidazole-6-carboxylic Acid Methyl Ester
- CAS
- 152628-00-7
- Formula
- C13H16N2O2
- MW
- 232.28 g/mol
ZX-031341
4'-(Chloromethyl)-[1,1'-Biphenyl]-2-carbonitrile
- CAS
- 136304-93-3
- Formula
- C14H10ClN
- MW
- 227.69 g/mol
ZX-026105
Methyl 4-(butyrylamino)-3-methyl-5-nitrobenzoate
- CAS
- 152628-01-8
- Formula
- C13H16N2O5
- MW
- 280.28 g/mol
ZX-012615
Methyl 4'-(dibromomethyl)-[1,1'-biphenyl]-2-carboxylate
- CAS
- 1352492-08-0
- Formula
- C15H12Br2O2
- MW
- 384.06 g/mol
ZX-027126
tert-butyl (2-(4-butyramido-3-methyl-5-nitrobenzamido)phenyl)(methyl)carbamate
- Formula
- C24H30N4O6
- MW
- 470.52 g/mol
ZX-012867
tert-Butyl N-(2-methyl-4-nitrophenyl)carbamate
- CAS
- 1389313-39-6
- Formula
- C12H16N2O4
- MW
- 252.27 g/mol
ZX-012873
Questions
Telmisartan impurities, answered
How many Telmisartan impurity standards does Zemixal list?
The catalogue currently lists 46 compounds for Telmisartan, including 11 pharmacopoeial impurities, 2 isotope-labelled standards, 2 metabolites or hydroxylated analogues and 1 degradation product. Each product page shows the CAS number where one is assigned, the structure, formula and molecular weight.
What documents come with a Telmisartan impurity standard?
A certificate of analysis travels with every lot. On request we share the characterisation set, usually 1H-NMR, mass spectrum, HPLC purity and IR, and for some materials TGA or water content. Ask for the data before ordering if your QA team needs to review it.
Can Zemixal make a Telmisartan impurity that is not listed?
Often yes. Send the structure, name or CAS number with the quantity you need and our sourcing team checks custom synthesis options, usually from 10 mg up to gram scale, with a quoted lead time.
Are isotope-labelled Telmisartan standards available?
Yes. 2 stable-isotope labelled compounds are listed, suitable as internal standards for LC-MS bioanalysis and trace impurity quantitation.