Ibuprofen Impurity 161 CAS 1928708-57-9
Purity 97%+In StockPharmacopoeial Impurity Standards
| CAS No. | 1928708-57-9 |
| Molecular Formula | C26H28O2 |
| Molecular Weight | 372.50 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
Order Ibuprofen Impurity 161 (CAS 1928708-57-9) pharmacopoeial impurity standards reference standard from CATO: ISO 17034 accredited producer, 130,000+ catalog items in stock. Molecular formula: C26H28O2. Molecular weight: 372.50 g/mol. COA included with every batch.
Physical & Chemical Properties
| Molecular Formula | C26H28O2 |
| Molecular Weight | 372.50 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| 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) | 13.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1996 |
Related Ibuprofen Standards
- Ibuprofen Impurity 159 (CAS 1957156-46-5)
- Ibuprofen Impurity 160 (CAS 2664846-43-7)
- Ibuprofen impurity 118 (CAS CATO-C4X-1082118)
- Ibuprofen Impurity 126 (CAS CATO-C4X-1082126)
- Ibuprofen Impurity 152 (CAS CATO-C4X-1082152)
- Ibuprofen Impurity 48 (CAS CATO-C4X-108248)
- Ibuprofen Acyl Glucuronide (Mixture of Diastereomers) (CAS 115075-59-7)
- Ibuprofen impurity 128 (CAS CATO-C4X-1082128)
Recommended Standards
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- Tert-butyl 1-(hydroxymethyl)-8-azaspiro[4.5]decane-8-carboxylate (CAS 1357351-84-8)
- Semaglutide impurity 41 (CAS CATO-C4X-222641)
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