Halobetasol Impurity 1 CAS 84509-92-2
| CAS No. | 84509-92-2 |
| Molecular Formula | - |
| Molecular Weight | 529.57 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
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.
Halobetasol Impurity 1 (CAS 84509-92-2) is a certified pharmaceutical impurity reference standard with the molecular formula N/A and a molecular weight of 529.57 g/mol.
Halobetasol Impurity 1 is supplied as a fully characterized reference material; its structural identity, assigned purity, and stability data are documented in the batch-specific Certificate of Analysis (COA).
CATO manufactures Halobetasol Impurity 1 under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C25H31AF2O8S |
| Molecular Weight | 529.57 g/mol |
| Purity | 97%+ |
| 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; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 9.5 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1981 |
| Halogen Content | F-containing |
| Sulfur Atoms | 1 |
Related Halobetasol Standards
- Halobetasol Impurity 11 (CAS CATO-C4X-331411)
- Halobetasol Propionate Impurity D (CAS 66852-61-7)
- Halobetasol Impurity 5 (CAS 79861-38-4)
- Halobetasol Impurity 12 (CAS CATO-C4X-331412)
- Halobetasol Propionate (CAS 66852-54-8)
- Halobetasol Impurity 4 (CAS CATO-C4X-33144)
- Halobetasol Impurity 3 (CAS 181527-42-4)
- Halobetasol Impurity 10 (CAS CATO-C4X-331410)
Recommended Standards
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- ERDRP-0519 (CAS 1374006-96-8)
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- Oxacillin Impurity 61 (CAS CATO-C4X-232161)
- Ozefloxacin Impurity 17 (CAS CATO-C4X-279617)
- Melphalan Impurity 26 (CAS CATO-C4X-198826)
- 1-[(1,4-Diazepan-1-yl)methyl]cyclobutan-1-ol (CAS 2098500-79-7)
- H-Phe-Pro-OH (CAS 7669-65-0)
- Doxapram Impurity 14 (CAS CATO-C4X-197314)
- 3-(2-Bromophenyl)-2,2-dimethylpropan-1-ol (CAS 149080-25-1)
- 2,5-dimethyl-1-(4-methylphenyl)-1H-pyrrole-3-carboxylic acid (CAS 3807-57-6)
- 1,3-Dimethyl 2-[(4-methylphenyl)methyl]-2-(4-nitrophenyl)propanedioate (CAS 860786-05-6)
- Liraglutide Impurity 31 (CAS CATO-C4X-199231)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
- Worldwide shipping with full export documentation (HS code guidance available)
- Technical support: +86 18665070610 / Nicole.chen@cato-chem.com