Valsartan Impurity 25 CAS 133051-88-4
Purity >95%In StockPharmacopoeial Impurity Standards
| CAS No. | 133051-88-4 |
| Molecular Formula | C33H25BrN4 |
| Molecular Weight | 557.48 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies Valsartan Impurity 25 (CAS 133051-88-4), a pharmacopoeial impurity standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C33H25BrN4. Molecular weight: 557.48 g/mol. Batch-specific COA and technical support are available on request.
Physical & Chemical Properties
| Molecular Formula | C33H25BrN4 |
| Molecular Weight | 557.48 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor) |
| Purity | >95% |
| Storage | Store at room temperature, protect from light |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 23.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1995 |
| Halogen Content | Br-containing |
| Nitrogen Atoms | 4 |
Related Valsartan Standards
- Valsartan Impurity 29 (CAS 124750-51-2)
- 4-Oxo Valsartan Benzyl Ester (CAS 188240-32-6)
- Valsartan Impurity 28 (CAS 154709-17-8)
- Valsartan Impurity 56 (CAS 1353844-75-3)
- Valsartan Impurity 150 (CAS CATO-C4X-1057150)
- Valsartan EP Impurity B (CAS 137863-20-8)
- Valsartan Impurity 64 (CAS 143618-44-4)
- Valsartan Impurity 49 (CAS CATO-C4X-105749)
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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