Halobetasol Impurity 9 CAS CATO-C4X-33149
| CAS No. | CATO-C4X-33149 |
| Molecular Formula | - |
| Molecular Weight | 453.91 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
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.
Halobetasol Impurity 9 (CAS CATO-C4X-33149) is a certified pharmaceutical impurity reference standard with the molecular formula N/A and a molecular weight of 453.91 g/mol.
Halobetasol Impurity 9 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 9 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 | C23H27AClFO6 |
| Molecular Weight | 453.91 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor, low volatility) |
| 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 |
| Halogen Content | F/Cl-containing |
Related Halobetasol Standards
- Halobetasol Impurity 10 (CAS CATO-C4X-331410)
- Halobetasol Impurity 3 (CAS 181527-42-4)
- Halobetasol Impurity 4 (CAS CATO-C4X-33144)
- Halobetasol Impurity 8 (CAS CATO-C4X-33148)
- Halobetasol (CAS 98651-66-2)
- Halobetasol Propionate Impurity 14 (CAS CATO-C4X-331414)
- Halobetasol Propionate (CAS 66852-54-8)
- Halobetasol Impurity 12 (CAS CATO-C4X-331412)
Recommended Standards
- Flumetasone Impurity 14 (CAS 3873-19-6)
- (E)-{[4-(4-chlorophenyl)-7-thia-2,5-diazatricyclo[6.4.0.0^{2,6}]dodeca-1(8),3,5-trien-3-yl]methylidene}amino 4-fluorobenzoate (CAS 478041-89-3)
- N-[(2-Chlorophenyl)methyl]-2-{[3-cyano-6-methyl-4-(trifluoromethyl)-5,6,7,8-tetrahydroquinolin-2-yl]sulfanyl}acetamide (CAS 626228-72-6)
- 2-(2-((2-Chloro-7-methylquinolin-3-yl)methylene)hydrazinyl)-3-(o-tolyl)quinazolin-4(3H)-one (CAS 327039-01-0)
- Oxybutynin Impurity 19 (CAS CATO-C4X-197219)
- Apremilast Impurity 76 (CAS CATO-C4X-100976)
- Prednisolone Impurity N6 (CAS 75448-51-0)
- 3-(Difluoromethyl)-6-formyl-4-hydroxypicolinonitrile (CAS 1806986-87-7)
- 3-((4-Methyl-2-nitrophenoxy)methyl)benzohydrazide (CAS 832737-80-1)
- tert-Butyl 3-(4-chlorophenyl)pyrrolidine-1-carboxylate (CAS 877614-86-3)
- Doxycycline EP Impurity E (CAS 79-57-2)
- Tributyl-3-thienylstannane (CAS 119405-65-1)
- 6-Phenyl-4-(trifluoromethyl)-1H-pyrrolo[2,3-b]pyridine (CAS 1146221-89-7)
- Peptide YY (canine, mouse, porcine, rat) trifluoroacetate salt (CAS 81858-94-8)
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