Donepezil Impurity 7 CAS 120013-84-5
Purity >95%In StockPharmacopoeial Impurity Standards
| CAS No. | 120013-84-5 |
| Molecular Formula | C24H29NO4 |
| Molecular Weight | 395.49 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
Donepezil Impurity 7 (CAS 120013-84-5) is a high-purity pharmacopoeial impurity standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C24H29NO4. Molecular weight: 395.49 g/mol. Each batch is supplied with a Certificate of Analysis (COA).
Physical & Chemical Properties
| Molecular Formula | C24H29NO4 |
| Molecular Weight | 395.49 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 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.) | 1991 |
| Nitrogen Atoms | 1 |
Related Donepezil Standards
- Donepezil Impurity 31 (CAS 2097683-67-3)
- Donepezil EP impurity C (CAS 2452407-76-8)
- Donepezil Impurity 51 (CAS CATO-C4X-103951)
- Donepezil Impurity 53 (CAS 149874-81-7)
- Donepezil Impurity 74 (CAS CATO-C4X-103974)
- Donepezil Impurity 15 (CAS 1023500-88-0)
- Donepezil Impurity 40 (CAS 923571-16-8)
- Donepezil D7 (CAS 1215071-00-3)
Recommended Standards
- Naltrexone EP Impurity E (CAS 767615-69-0)
- Alfuzosin-D6 (CAS 1006717-31-2)
- Hydroxydonepezil (CAS 197010-20-1)
- Neostigmine impurity 36 (CAS CATO-C4X-204236)
- Arotinolol Impurity 48 (CAS CATO-C4X-185448)
- 4-(4-Ethyl-5-(methylthio)-4H-1,2,4-triazol-3-yl)-1-((4-methoxyphenyl)sulfonyl)piperidine (CAS 672950-64-0)
- n-(Pyridin-3-ylmethyl)cyclohexanamine (CAS 97247-37-5)
- 1,2,2,6,6-PENTAMETHYLPIPERIDINE (CAS 79-55-0)
- a-Amino-1H-indole-2-propanoic acid (CAS 1954-56-9)
- Anorexigenic Peptide (CAS 69275-10-1)
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