Benidipine Impurity 79 CAS CATO-C4X-112079
| CAS No. | CATO-C4X-112079 |
| Molecular Formula | 2*C28H31N3O6 |
| Molecular Weight | N/A |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
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.
As a process- or degradation-related impurity, Benidipine Impurity 79 (CAS CATO-C4X-112079, C28H31N3O6HCl) is essential for impurity profiling, related-substances testing, and forced-degradation studies in pharmaceutical development.
The molecular framework of Benidipine Impurity 79 (C28H31N3O6HCl) is characterized by a steroid core, an amide group, a hydroxyl group, an ether linkage, chlorine substitution. In reversed-phase chromatography, its retention is governed primarily by the protonation state of its nitrogen-containing groups, which provides a practical basis for HPLC-UV/DAD or LC-MS method development. 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 | 2*C28H31N3O6 HCl |
| Molecular Weight | 542.03 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor) |
| 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; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 14.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 3 |
Related Benidipine Standards
- Benidipine Impurity 63 (CAS 105589-45-5)
- Benidipine Impurity 15 HCl (CAS 105589-45-5(free base))
- Benidipine (CAS 105979-17-7)
- Benidipine Impurity 67 (CAS 105979-18-8)
- Benidipine Impurity N1 (CAS 118431-03-1)
- Benidipine Impurity 11 (CAS 1185304-22-6)
- Benidipine Impurity 28(Mixture of Diastereomers) (CAS 121138-43-0)
- rac Benidipine-d5 Hydrochloride (CAS 1329633-88-6)
Recommended Standards
- Esmolol Impurity 16 (CAS 19367-38-5)
- Calcium Dobesilate impurity 22 (CAS 51368-26-4)
- Ranitidine EP Impurity G (CAS 148639-72-9)
- Erythromycin Ethylsuccinate (CAS 41342-53-4)
- 1-methyl-1H,3H,4H-2$l^{6},5,1-thieno[3,2-c][1$l^{6},2]thiazine-2,2,4-trione (CAS 214532-10-2)
- 1,2-Difluoro-4-[(1E)-1-Propen-1-Yl]Benzene (CAS 301308-13-4)
- 5-(Hydroxymethyl)-N,N-dimethylisoxazole-3-carboxamide (CAS 1638535-29-1)
- 4-Chloro-1H-indazole-3,6-diol (CAS 887570-67-4)
- 8-Bromo-2,4-diphenyl-1-(p-tolyl)-5,6,7,8-tetrahydroquinolin-1-ium tetrafluoroborate (CAS 455251-10-2)
- Semaglutide Impurity 5 (CAS 23406-82-8)
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