Clobetasol Propionate EP Impurity A CAS 5534-13-4
Purity >95%In StockPharmacopoeial Impurity Standards
| CAS No. | 5534-13-4 |
| Molecular Formula | C25H33FO6 |
| Molecular Weight | 448.52 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
Order Clobetasol Propionate EP Impurity A (CAS 5534-13-4) pharmacopoeial impurity standards reference standard from CATO: ISO 17034 accredited producer, 130,000+ catalog items in stock. Molecular formula: C25H33FO6. Molecular weight: 448.52 g/mol. COA included with every batch.
Physical & Chemical Properties
| Molecular Formula | C25H33FO6 |
| Molecular Weight | 448.52 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor) |
| Purity | >95% |
| 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) | 9.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1958 |
| Halogen Content | F-containing |
Related Clobetasol Standards
- Clobetasol Propionate EP Impurity K (CAS 75883-07-7)
- Clobetasol Propionate EP Impurity J (CAS 1486466-31-2)
- Clobetasol Propionate Impurity 19 (CAS CATO-C4X-159219)
- Clobetasol Propionate Impurity (21-Chloro-16β-methyl-17-(1-oxopropoxy)pregna-1,4-diene-3,20-dione) (CAS 95796-50-2)
- Clobetasol Propionate EP Impurity E (CAS CATO-C4X-159214)
- Clobetasol Propionate EP Impurity H (CAS 4351-48-8)
- Clobetasol Propionate EP Impurity C (CAS 25122-52-5)
- Clobetasol Propionate (CAS 25122-46-7)
Recommended Standards
- Triamcinolone Acetonide Impurity 49 (CAS 7704-77-0)
- tert-butyl N-(tert-butoxycarbonylamino)-N-[3-[4-(trifluoromethyl)phenyl]-1-bicyclo[1.1.1]pentanyl]carbamate (CAS 2149634-49-9)
- Pazopanib Impurity 16 (CAS CATO-C4X-172516)
- (2R,5R)-Lamivudine Impurity 37 (CAS 147126-80-5)
- Edaravone Impurity 57 (CAS CATO-C4X-106257)
- 4-Iodo-1-methyl-1H-pyrazolo[3,4-b]pyridine (CAS 960285-65-8)
- 3-Bromo-5H,6H,7H-pyrrolo[3,4-b]pyridine dihydrochloride (CAS 1956382-38-9)
- Benzyl p-Toluylketone (CAS 2001-28-7)
- Ethyl 2-(trifluoromethyl)cyclobutane-1-carboxylate (CAS 1256483-62-1)
- Semaglutide Impurity 11 (CAS CATO-C4X-222611)
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)
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