Nitrendipine Impurity 13 CAS 104765-27-7
| CAS No. | 104765-27-7 |
| Molecular Formula | C13H13NO5 |
| Molecular Weight | 263.25 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
As a process- or degradation-related impurity, Nitrendipine Impurity 13 (CAS 104765-27-7, C13H13NO5) is essential for impurity profiling, related-substances testing, and forced-degradation studies in pharmaceutical development.
Based on its molecular formula C13H13NO5, Nitrendipine Impurity 13 contains a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 263.25 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
Recommended for quantitative analysis by HPLC, GC, LC-MS/MS, or GC-MS as an external calibration standard; it can also be used for spiked-recovery experiments, LOD/LOQ determination, and LC-MS/MS multiple-reaction-monitoring (MRM) calibration.
As a certified reference material (CRM), Nitrendipine Impurity 13 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.
Physical & Chemical Properties
| Molecular Formula | C13H13NO5 |
| Molecular Weight | 263.25 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 8.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1986 |
| Nitrogen Atoms | 1 |
Related Nitrendipine Standards
- Nitrendipine Impurity 9 (CAS 104765-28-8)
- Nitrendipine Impurity 3 (CAS 111304-30-4)
- Nitrendipine Impurity 10 (CAS 15802-69-4)
- Nitrendipine Impurity 7 (CAS 67593-37-7)
- Nitrendipine Impurity 14 (CAS CATO-C4X-183414)
- Nitrendipine Impurity 16 (CAS 40641-47-2)
- Nitrendipine impurity 20 (CAS CATO-C4X-183420)
- Nitrendipine Impurity 15 (CAS CATO-C4X-183415)
Recommended Standards
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- Emtricitabine impurity 42 (CAS 2101981-64-8)
- Pomalidomide Impurity 6 (CAS 24666-56-6)
- Rosuvastatin Impurity 54 (CAS CATO-C4X-116954)
- Fudosteine Impurity 69 HCl (CAS CATO-C4X-144769)
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