Ulipristal Impurity 4 CAS 244206-52-8
Purity 97%+In StockPharmacopoeial Impurity Standards
| CAS No. | 244206-52-8 |
| Molecular Formula | C26H31NO3 |
| Molecular Weight | 405.53 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
Order Ulipristal Impurity 4 (CAS 244206-52-8) pharmacopoeial impurity standards reference standard from CATO: ISO 17034 accredited producer, 130,000+ catalog items in stock. Molecular formula: C26H31NO3. Molecular weight: 405.53 g/mol. COA included with every batch.
Physical & Chemical Properties
| Molecular Formula | C26H31NO3 |
| Molecular Weight | 405.53 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 chloroform, dichloromethane, ethyl acetate, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 12.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Nitrogen Atoms | 1 |
Related Ulipristal Standards
- Ulipristal Impurity 27 (CAS 1655514-79-6)
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- Ulipristal Impurity 13 (CAS CATO-C4X-191513)
- Ulipristal Impurity 12 (CAS CATO-C4X-191512)
- Ulipristal Impurity 1 (CAS 159681-67-1)
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Recommended Standards
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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