Sodium Fusidate EP Impurity D CAS CATO-C4X-11974
| CAS No. | CATO-C4X-11974 |
| Molecular Formula | C31H48O7 |
| Molecular Weight | 532.71 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
The occurrence of Sodium Fusidate EP Impurity D is closely related to a carboxylic acid group, a hydroxyl group, an ether linkage, a polycyclic aromatic system in its molecular formula, which determines its behaviour during synthesis, purification, or degradation.
As a process- or degradation-related impurity, Sodium Fusidate EP Impurity D (CAS CATO-C4X-11974, C31H48O7) is essential for impurity profiling, related-substances testing, and forced-degradation studies in pharmaceutical development.
Sodium Fusidate EP Impurity D (C31H48O7) contains a carboxylic acid group, a hydroxyl group, an ether linkage, a polycyclic aromatic system. The carboxyl group imparts weak acidity; these physicochemical properties determine the optimal preparation and storage of its standard solutions. 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).
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), Sodium Fusidate EP Impurity D 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 | C31H48O7 |
| Molecular Weight | 532.71 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| Purity | >90% |
| Storage | Store at room temperature, 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 |
| Degree of Unsaturation (DBE) | 8.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
Related Sodium Standards
- Sodium Fusidate EP Impurity B (CAS CATO-C4X-11972)
- Sodium Fusidate Impurity 25 (CAS CATO-C4X-119725)
- Sodium Fusidate EP Impurity C (CAS CATO-C4X-11973)
- Sodium Fusidate EP Impurity E (CAS CATO-C4X-11975)
- Sodium Fusidate EP Impurity F (CAS 1415035-94-7)
- Sodium Fusidate EP Impurity A (CAS 80445-74-5)
- Sodium Fusidate Impurity 20 (CAS CATO-C4X-119720)
- Sodium Fusidate EP Impurity G (CAS 4680-37-9)
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