Halobetasol CAS 98651-66-2
Purity >95%In StockPharmaceutical Standards
| CAS No. | 98651-66-2 |
| Molecular Formula | C22H27ClF2O4 |
| Molecular Weight | 428.90 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Halobetasol (CAS 98651-66-2) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C22H27ClF2O4. Molecular weight: 428.90 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C22H27ClF2O4 |
| Molecular Weight | 428.90 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor, low volatility) |
| Purity | >95% |
| Storage | Store at room temperature, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 8.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1985 |
| Halogen Content | F/Cl-containing |
Related Halobetasol Standards
- Halobetasol Propionate Impurity 14 (CAS CATO-C4X-331414)
- Halobetasol Impurity 8 (CAS CATO-C4X-33148)
- Halobetasol Impurity 7 (CAS 32232-54-5)
- Halobetasol Impurity 13 (CAS CATO-C4X-331413)
- Halobetasol Impurity 9 (CAS CATO-C4X-33149)
- Halobetasol Impurity 10 (CAS CATO-C4X-331410)
- Halobetasol Impurity 3 (CAS 181527-42-4)
- Halobetasol Impurity 4 (CAS CATO-C4X-33144)
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