Oxybutynin EP Impurity B CAS 14943-53-4
Purity 97%+In StockPharmacopoeial Impurity Standards
| CAS No. | 14943-53-4 |
| Molecular Formula | C22H25NO3 |
| Molecular Weight | 351.44 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
Order Oxybutynin EP Impurity B (CAS 14943-53-4) pharmacopoeial impurity standards reference standard from CATO: ISO 17034 accredited producer, 130,000+ catalog items in stock. Molecular formula: C22H25NO3. Molecular weight: 351.44 g/mol. COA included with every batch.
Physical & Chemical Properties
| Molecular Formula | C22H25NO3 |
| Molecular Weight | 351.44 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store at 2-8°C, 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) | 11.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1961 |
| Nitrogen Atoms | 1 |
Related Oxybutynin Standards
- Oxybutynin (CAS 5633-20-5)
- Oxybutynin impurity 10 (CAS CATO-C4X-197210)
- Oxybutynin EP Impurity C (CAS 1199574-70-3)
- Oxybutynin Impurity N1 (Mixture of Diastereomers) (CAS 1199574-71-4)
- Oxybutynin Impurity A (CAS CATO-C4X-197212)
- Oxybutynin Impurity 7 (CAS CATO-C4X-19727)
- R-Oxybutynin D10 (CAS CATO-C4X-197215)
- S-Oxybutynin D10 (CAS CATO-C4X-197216)
Recommended Standards
- Methylene blue /Methylthioninium Chloride Impurity 23 (CAS CATO-C4X-189623)
- Doxapram Impurity 44 (CAS CATO-C4X-197344)
- Olopatadine Impurity 51 (CAS 113806-01-2)
- Pravastatin EP Impurity G Sodium Salt (CAS 720666-74-0)
- Caspofungin impurity 59 (CAS CATO-C4X-157559)
- 4-(2-(Methylamino)ethyl)benzoic acid (CAS 1199775-41-1)
- Chlorodimorpholinophosphine (CAS 75302-66-8)
- 3,3'-(Piperazine-1,4-diyl)bis(2-hydroxypropane-1-sulfonic acid) dihydrate (CAS 918131-36-9)
- (Z)-6-hydroxy-2-(2-methoxybenzylidene)-7-methylbenzofuran-3(2H)-one (CAS 1092298-15-1)
- Semaglutide Impurity 115 (CAS CATO-C4X-2226115)
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