Silodosin Impurity 11 CAS 239463-74-2
Purity 97%+In StockPharmacopoeial Impurity Standards
| CAS No. | 239463-74-2 |
| Molecular Formula | C25H35N3O4 |
| Molecular Weight | 441.56 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
Silodosin Impurity 11 (CAS 239463-74-2) is a high-purity pharmacopoeial impurity standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C25H35N3O4. Molecular weight: 441.56 g/mol. Each batch is supplied with a Certificate of Analysis (COA).
Physical & Chemical Properties
| Molecular Formula | C25H35N3O4 |
| Molecular Weight | 441.56 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store in a cool place (≤25°C), protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 10.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Nitrogen Atoms | 3 |
Related Silodosin Standards
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- Silodosin Impurity 5 (CAS CATO-C4X-17545)
- Silodosin Impurity 9 (CAS 885340-13-6)
- Silodosin Impurity 7 (CAS 350797-56-7)
- Silodosin Impurity 1 (CAS 175870-21-0)
- Silodosin (CAS 160970-64-9)
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- 4-Amino-1-ethyl-1H-1,2,3-triazole (CAS 802915-18-0)
- Cholecystokinin, CCK Tetrapeptide (30-33) (CAS 35144-91-3)
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