Telmisartan Impurity 70 CAS CATO-C4X-135970
| CAS No. | CATO-C4X-135970 |
| Molecular Formula | C26H26N2O2 |
| Molecular Weight | 398.50 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
Based on its molecular formula C26H26N2O2, Telmisartan Impurity 70 contains a steroid core, an amide group, a hydroxyl group, an ether linkage; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 398.50 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
As a process- or degradation-related impurity, Telmisartan Impurity 70 (CAS CATO-C4X-135970, C26H26N2O2) is essential for impurity profiling, related-substances testing, and forced-degradation studies in pharmaceutical development.
This reference standard supports related-substances testing and method development in line with ICH Q3A/Q3B guidance on impurity control, and is suitable for system suitability testing and forced-degradation studies.
CATO manufactures Telmisartan Impurity 70 under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C26H26N2O2 |
| Molecular Weight | 398.50 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| Purity | >95% |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 15.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| Nitrogen Atoms | 2 |
Related Telmisartan Standards
- Telmisartan Impurity 17 (CAS 1352492-08-0)
- Telmisartan Impurity 93 (CAS CATO-C4X-135993)
- Telmisartan Impurity 45 (CAS 1098100-86-7)
- Telmisartan Impurity 22 (CAS 1797894-62-2)
- Telmisartan EP Impurity E (CAS 884330-12-5)
- Telmisartan Impurity 80 (CAS CATO-C4X-135980)
- Telmisartan Impurity 47 (CAS 884330-11-4)
- Telmisartan EP Impurity H (CAS 114772-40-6)
Recommended Standards
- Vilazodone impurity 16 (CAS 795266-89-6)
- Promethazine Impurity 54 (CAS CATO-C4X-141854)
- Olaparib Impurity 85 (CAS CATO-C4X-113585)
- Fesoterodine Impurity 7 (CAS CATO-C4X-16447)
- Butylphthalide Impurity 45 Potassium (CAS 685886-82-2)
- Apalutamide Impurity 1 (CAS CATO-C4X-27491)
- Alogliptin impurity 85 (CAS CATO-C4X-109985)
- ethyl 2-acetyl-3-methyl-4-oxopentanoate (CAS 53670-70-5)
- (5-((Dimethylamino)methyl)pyridin-3-yl)boronic acid (CAS 1884185-88-9)
- (Z)-3-Bromo-3-(furan-2-yl)acrylaldehyde (CAS 1443156-66-8)
- (3-(Aminomethyl)oxetan-2-yl)methanol (CAS 45513-32-5)
- 2-Acetylbenzo[d]oxazole-7-carboxamide (CAS 1806492-57-8)
- 2-Methyl-1H-imidazole-4-sulphonyl chloride (CAS 205311-54-2)
- Semaglutide impurity 197 (CAS CATO-C4X-2226197)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
- Worldwide shipping with full export documentation (HS code guidance available)
- Technical support: +86 18665070610 / Nicole.chen@cato-chem.com