Azilsartan Methyl Ester Impurity CAS 147403-52-9
| CAS No. | 147403-52-9 |
| Molecular Formula | C26H22N4O5 |
| Molecular Weight | 470.48 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
As a certified reference material (CRM), Azilsartan Methyl Ester Impurity meets the metrological traceability requirements of ISO/IEC 17025 laboratories. Batch-to-batch consistency is monitored via control charts to guarantee comparable assigned values across lots.
As a process- or degradation-related impurity, Azilsartan Methyl Ester Impurity (CAS 147403-52-9, C26H22N4O5) is essential for impurity profiling, related-substances testing, and forced-degradation studies in pharmaceutical development.
Structurally, Azilsartan Methyl Ester Impurity (C26H22N4O5) contains a steroid core, an amide group, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 18.0, corresponding to approximately 18 ring(s) or double-bond equivalent(s). With a molecular weight of 470.48 g/mol, it falls into the moderately-high-molecular-weight range. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
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.
Physical & Chemical Properties
| Molecular Formula | C26H22N4O5 |
| Molecular Weight | 470.48 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| Purity | >95% |
| Storage | Store in a cool place (≤25°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) | 18.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1999 |
| Nitrogen Atoms | 4 |
Related Azilsartan Standards
- Azilsartan Impurity 42 (CAS CATO-C4X-109642)
- Azilsartan Impurity 159 (CAS CATO-C4X-1096159)
- Azilsartan Impurity 186 (CAS CATO-C4X-1096186)
- Azilsartan Impurity 110 (CAS CATO-C4X-1096110)
- Azilsartan Impurity 59 (CAS CATO-C4X-109659)
- Azilsartan-d5 Methyl Ester (CAS 1794766-42-9)
- Azilsartan-d5 (CAS 1346599-45-8)
- Azilsartan-d4 (CAS 1794817-45-0)
Recommended Standards
- Antiarrhythmic peptide (cattle atrium) (CAS 81771-37-1)
- Nintedanib Impurity 8 (CAS 2410649-54-4)
- 4,4'-(3-(Pyridin-2-yl)-1,2,4-triazine-5,6-diyl)dibenzenesulfonic acid (CAS 32796-55-7)
- Sulfosulfuron (CAS 141776-32-1)
- Vortioxetine Impurity 8 (CAS 13616-83-6)
- Baricitinib Impurity 18 (CAS 1153949-11-1)
- Tadalafil Impurity 11 HCl (CAS 1190238-20-0)
- Sodium 2-[4-(trifluoromethyl)-1,3-thiazol-2-yl]acetate (CAS 1251924-46-5)
- 2,4-Dihydro-3H-1,2,4-triazol-3-imine (CAS 65380-04-3)
- Davercin impurity 1 (CAS CATO-C4X-34381)
- 2-[(2-oxo-4-phenyl-2h-chromen-7-yl)oxy]acetic acid (CAS 130181-72-5)
- (6R,7aS)-6-Hydroxytetrahydro-1H-pyrrolo[1,2-c]imidazole-1,3(2H)-dione (CAS 67943-20-8)
- [4-(4-Fluorobenzyl)-2,3-dioxopiperazin-1-yl]acetic acid (CAS 951523-92-5)
- Semaglutide impurity 96 (CAS CATO-C4X-222696)
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