Donepezil impurity 32 CAS 120014-07-5
Purity 97%+In StockPharmacopoeial Impurity Standards
| CAS No. | 120014-07-5 |
| Molecular Formula | C24H27NO3 |
| Molecular Weight | 377.48 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
Donepezil impurity 32 (CAS 120014-07-5) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C24H27NO3. Molecular weight: 377.48 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C24H27NO3 |
| Molecular Weight | 377.48 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) | 12.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1991 |
| Nitrogen Atoms | 1 |
Related Donepezil Standards
- Donepezil EP impurity F (CAS 145546-80-1)
- Donepezil Impurity 56 (CAS 608511-44-0)
- Donepezil Impurity 63 (CAS 2230493-73-7)
- Donepezil impurity 70 (CAS CATO-C4X-103970)
- S-(-)-DONEPEZIL (CAS 142057-80-5)
- Donepezil (CAS 120014-06-4)
- Donepezil Impurity 73 (CAS 142698-19-9)
- Donepezil EP impurity E (CAS CATO-C4X-103936)
Recommended Standards
- tert-Butyl 4-({2'-cyano-[1,1'-biphenyl]-4-yl}methyl)piperazine-1-carboxylate (CAS 946386-63-6)
- N-[(1,1-Dimethylethoxy)carbonyl]-L-leucyl-L-phenylalaninamide (CAS 33900-15-1)
- N-(2-((6-(1H-Imidazol-1-yl)hexyl)oxy)-5-methylphenyl)benzamide (CAS 88138-22-1)
- Itraconazole Impurity 15 (CAS 2508172-07-2)
- Docetaxel Impurity 18 (CAS 146924-94-9)
- (5-Methylthiophen-2-yl)(pyridin-2-yl)methanone (CAS 1397235-54-9)
- Tris(dibenzoylmethane)mono(phenanthroline)europium(III) (CAS 17904-83-5)
- 1-Ethynyl-2,4-dimethoxybenzene (CAS 77336-36-8)
- (R)-1-(2,5-dimethylphenyl)propan-1-amine hydrochloride (CAS 1032157-06-4)
- Neuropeptide Y (22-36) (CAS 119019-65-7)
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