Donepezil Impurity 73 CAS 142698-19-9
Purity ≥95%In StockPharmacopoeial Impurity Standards
| CAS No. | 142698-19-9 |
| Molecular Formula | C24H29NO3 |
| Molecular Weight | 379.49 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
Donepezil Impurity 73 (CAS 142698-19-9) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C24H29NO3. Molecular weight: 379.49 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C24H29NO3 |
| Molecular Weight | 379.49 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| Purity | ≥95% |
| 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.) | 1997 |
| Nitrogen Atoms | 1 |
Related Donepezil Standards
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