Azilsartan Impurity 122 CAS CATO-C4X-1096122
| CAS No. | CATO-C4X-1096122 |
| Molecular Formula | C27H27N3O7 |
| Molecular Weight | 505.52 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
Under current pharmacopoeial and regulatory frameworks, quality-control requirements for this class of reference material explicitly involve the control of targets including Azilsartan Impurity 122.
Azilsartan Impurity 122 (CAS CATO-C4X-1096122) is a certified pharmaceutical impurity reference standard with the molecular formula C27H27N3O7 and a molecular weight of 505.52 g/mol.
Owing to a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage, Azilsartan Impurity 122 is typically pale yellow to yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 505.52 g/mol — guide the selection of appropriate sample preparation and analytical techniques. The presence of an aromatic ring or conjugated system gives the compound characteristic absorption bands in the UV-Vis region, making it well suited to UV or diode-array detection (DAD).
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.
The assigned purity is verified by mass-balance and quantitative NMR (qNMR) approaches, with the expanded uncertainty reported at a 95% confidence level (k=2). Batch homogeneity and stability are independently assessed for every lot.
Physical & Chemical Properties
| Molecular Formula | C27H27N3O7 |
| Molecular Weight | 505.52 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) | 16.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| Nitrogen Atoms | 3 |
Related Azilsartan Standards
- Azilsartan Impurity 43 (CAS 1514933-24-4)
- Azilsartan Impurity 95 (CAS CATO-C4X-109695)
- Azilsartan Impurity 170 (CAS 1565796-93-1)
- Azilsartan Impurity 68 (CAS CATO-C4X-109668)
- Azilsartan Impurity 34 (CAS CATO-C4X-109634)
- Azilsartan Impurity 97 (CAS CATO-C4X-109697)
- Azilsartan Impurity 126 (CAS 1604812-36-3)
- Azilsartan Impurity 182 (CAS CATO-C4X-1096182)
Recommended Standards
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- Fmoc-Asp-ODmb (CAS 155866-25-4)
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- 4-[({4-[bis(morpholin-4-yl)-1,3,5-triazin-2-yl]phenyl}carbamoyl)amino]benzoic acid (CAS 1197160-66-9)
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- Methyl (1S,3R)-3-((tert-butoxycarbonyl)amino)cyclohexane-1-carboxylate (CAS 1702381-37-0)
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- (R)-methyl 2-(6-hydroxy-2,3-dihydrobenzofuran-3-yl)acetate (CAS 1234474-58-8)
- 5-Aminopyridine-3-carbothioamide (CAS 1355610-88-6)
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- 1,2,2,4-Tetramethyl-1,2,3,4-tetrahydroquinoline-6-carbaldehyde (CAS 367909-69-1)
- Tau Peptide (379-408) trifluoroacetate salt (CAS 1246357-53-8)
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