Valsartan Impurity 28 CAS 154709-17-8
Purity 97%+In StockPharmacopoeial Impurity Standards
| CAS No. | 154709-17-8 |
| Molecular Formula | C35H28N4O2 |
| Molecular Weight | 536.62 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
Order Valsartan Impurity 28 (CAS 154709-17-8) pharmacopoeial impurity standards reference standard from CATO: ISO 17034 accredited producer, 130,000+ catalog items in stock. Molecular formula: C35H28N4O2. Molecular weight: 536.62 g/mol. COA included with every batch.
Physical & Chemical Properties
| Molecular Formula | C35H28N4O2 |
| Molecular Weight | 536.62 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) | 24.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2001 |
| Nitrogen Atoms | 4 |
Related Valsartan Standards
- 4-Oxo Valsartan Benzyl Ester (CAS 188240-32-6)
- 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)
- Valsartan Impurity 25 (CAS 133051-88-4)
- Valsartan Impurity 29 (CAS 124750-51-2)
- Valsartan Impurity 57 (CAS 1353844-77-5)
Recommended Standards
- 1,4-Dihydroxy-5,8-bis((2-(methyl(phenyl)amino)ethyl)amino)anthracene-9,10-dione (CAS 70945-58-3)
- Avibactam Impurity 143 (CAS CATO-C4X-1348143)
- 1,4,5,8-Tetraamino-2,7-bis(4-propylphenoxy)anthracene-9,10-dione (CAS 88600-70-8)
- Sulbactam Impurity 40 (CAS 79702-81-1)
- Lenvatinib Impurity 146 (CAS CATO-C4X-1140146)
- 2-(Isopropylthio)benzoic acid (CAS 41394-95-0)
- 2-benzyl-3a,6a-dimethyl-octahydropyrrolo[3,4-c]pyrrole dihydrochloride (CAS 2060005-54-9)
- 2-(2H-1,3-benzodioxol-5-yl)-2-methylpropanoic acid (CAS 39053-81-1)
- Methyl 5-Amino-2-chlorobenzoate (CAS 42122-75-8)
- Semaglutide impurity 86 (CAS CATO-C4X-222686)
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