Betamethasone Dipropionate EP Impurity F CAS 66917-44-0
Purity 97%+In StockPharmacopoeial Impurity Standards
| CAS No. | 66917-44-0 |
| Molecular Formula | C28H36O7 |
| Molecular Weight | 484.58 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
Betamethasone Dipropionate EP Impurity F (CAS 66917-44-0) is a high-purity pharmacopoeial impurity standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C28H36O7. Molecular weight: 484.58 g/mol. Each batch is supplied with a Certificate of Analysis (COA).
Physical & Chemical Properties
| Molecular Formula | C28H36O7 |
| Molecular Weight | 484.58 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| 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 |
| Degree of Unsaturation (DBE) | 11.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1976 |
Related Betamethasone Standards
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- Betamethasone Dipropionate EP Impurity D (CAS 5514-81-8)
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Recommended Standards
- Ivabradine Impurity 68 (CAS CATO-C4X-111968)
- Beclometasone Impurity 43 (CAS CATO-C4X-147443)
- Ivabradine Impurity 6 (CAS 2253977-80-7)
- Micafungin Impurity 8 (CAS CATO-C4X-16958)
- Acamprosate EP Impurity B Calcium Salt (Acamprosate USP Related Compound B) (CAS 3093141-49-9)
- 1-Allyl-5-chloro-1H-1,2,4-triazole (CAS 1573547-66-6)
- Ethyl 2-(4-(3-aminobenzofuran-2-carbonyl)phenoxy)acetate (CAS 301538-64-7)
- 8-Methyl-3,4-dihydro-2h-1-benzopyran-4-amine hydrochloride (CAS 191608-12-5)
- 4-Ethoxy-2,6-difluoroaniline (CAS 1017779-79-1)
- Semaglutide Impurity 121 X Sodium Salt (CAS CATO-C4X-2226121)
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 13829788188 / jacky.chen@cato-chem.com