Donepezil Impurity 29 CAS 197010-25-6
Purity 97%+In StockPharmacopoeial Impurity Standards
| CAS No. | 197010-25-6 |
| Molecular Formula | C24H29NO5 |
| Molecular Weight | 411.49 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Description
Donepezil Impurity 29 (CAS 197010-25-6) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C24H29NO5. Molecular weight: 411.49 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C24H29NO5 |
| Molecular Weight | 411.49 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store at room temperature, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| 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.) | 2013 |
| Nitrogen Atoms | 1 |
Related Donepezil Standards
Recommended Standards
- O-Isobutyryl Naltrexone (1.0mg/ml in Acetonitrile) (CAS 861238-38-2)
- Rosuvastatin Impurity 168 (CAS CATO-C4X-1169168)
- N-Fmoc-N-methyl-O-(3-methylbutyl)-L-Serine (CAS 2255321-12-9)
- Avanafil Impurity 146 (CAS CATO-C4X-1118146)
- Metoclopramide EP Impurity H (CAS 50-86-2)
- 3-(1,3-Dimethyl-1H-pyrazol-5-yl)-6,7,8,9-tetrahydro-5H-[1,2,4]triazolo[4,3-a]azepine (CAS 1174873-10-9)
- ethyl 2-hydroxy-2-methylbutanoate (CAS 77-70-3)
- 2-(2-formylfuran-3-yl)acetic acid (CAS 1824583-58-5)
- Chloro(2-dicyclohexylphosphino-3,6-dimethoxy-2',4',6'-tri-i-propyl-1,1'-biphenyl)(2'-amino-1,1'-biphenyl-2-yl)palladium(II) (CAS 1451002-39-3)
- Semaglutide Sodium Salt (CAS CATO-C4X-222620)
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