Topiramate Didesacetal Impurity CAS 106881-42-9
| CAS No. | 106881-42-9 |
| Molecular Formula | C6H13NO8S |
| Molecular Weight | 259.23 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 Topiramate Didesacetal Impurity.
As a process- or degradation-related impurity, Topiramate Didesacetal Impurity (CAS 106881-42-9, C6H13NO8S) is essential for impurity profiling, related-substances testing, and forced-degradation studies in pharmaceutical development.
Topiramate Didesacetal Impurity (C6H13NO8S) contains a carbohydrate-derived structure, an amide group, a sulfone group. It is notably hygroscopic, the carboxyl group imparts weak acidity; these physicochemical properties determine the optimal preparation and storage of its standard solutions. 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.
As a certified reference material (CRM), Topiramate Didesacetal 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.
Physical & Chemical Properties
| Molecular Formula | C6H13NO8S |
| Molecular Weight | 259.23 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO, water |
| Stability | Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 1.0 |
| CAS Registry Year (est.) | 1987 |
| Nitrogen Atoms | 1 |
| Sulfur Atoms | 1 |
Related Topiramate Standards
- Topiramate Impurity 15 (CAS 128316-82-5)
- Topiramate Impurity 24 (CAS 582-52-5)
- Topiramate Impurity 25 (CAS 25018-67-1)
- Topiramate Impurity 40 (CAS CATO-C4X-176840)
- Topiramate EP Impurity A (CAS 20880-92-6)
- Topiramate Impurity 12 (CAS CATO-C4X-176812)
- Topiramate Impurity 1 (CAS 32785-90-3)
- Topiramate Impurity 13 (CAS 86569-78-0)
Recommended Standards
- Sofosbuvir Impurity 16 (CAS 817204-33-4)
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- Sulfamethoxazole-13C6 (CAS 1196157-90-0)
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