Isavuconazole Impurity 66 CAS 258513-41-6
Purity >95%In StockPharmacopoeial Impurity Standards
| CAS No. | 258513-41-6 |
| Molecular Formula | C8H5BrF2O |
| Molecular Weight | 235.03 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
Isavuconazole Impurity 66 (CAS 258513-41-6) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C8H5BrF2O. Molecular weight: 235.03 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C8H5BrF2O |
| Molecular Weight | 235.03 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (slight halide-like odor, low volatility) |
| Purity | >95% |
| Storage | Store at room temperature, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | May oxidize slowly on prolonged air exposure |
| Degree of Unsaturation (DBE) | 5.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Halogen Content | F/Br-containing |
Related Isavuconazole Standards
- Isavuconazole Impurity 106 (CAS 150803-17-1)
- Isavuconazole Impurity 112 (CAS CATO-C4X-1236112)
- Isavuconazole impurity 214 (CAS CATO-C4X-1236214)
- Isavuconazole Impurity 215 (CAS CATO-C4X-1236215)
- Isavuconazole Impurity 222 (CAS CATO-C4X-1236222)
- Isavuconazole Impurity 224 (CAS CATO-C4X-1236224)
- Isavuconazole Impurity 43 (CAS CATO-C4X-123643)
- Isavuconazole Impurity 31 (CAS 20099-89-2)
Recommended Standards
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- ethyl 2-sulfamoylpentanoate (CAS 1554858-29-5)
- Neuropeptide Y (18-36) (CAS 114495-97-5)
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