Clearsynth is a leading innovator in pharmaceutical reference standards, offering high-quality Reference Standards for Donepezil, including both pharmacopeial and non-pharmacopeial impurities, metabolites, stable isotope products, and nitrosamines (N-NO products). Our Donepezil impurity reference standards are invaluable for pharmaceutical research, supporting product development, ANDA and DMF submissions, quality control (QC), method validation, and stability studies. They also aid in identifying unknown impurities and assessing genotoxic potential.
Our Donepezil-related products undergo thorough characterization and are supplied with detailed Certificates of Analysis (COA) and analytical data that meet regulatory requirements. All supplied products are re-tested at regular intervals to ensure ongoing quality and compliance.
Our Donepezil-related products undergo thorough characterization and are supplied with detailed Certificates of Analysis (COA) and analytical data that meet regulatory requirements. All supplied products are re-tested at regular intervals to ensure ongoing quality and compliance.
Donepezil Related Compounds
Stable Isotopes
| COMPOUND | CATEGORY | CAT. No. | CAS. No. | STOCK STATUS |
|---|---|---|---|---|
| 3-Hydroxy Donepezil-d5 (Donepezil Impurity) | Stable Isotopes | CS-T-100210 | 2714418-15-0 | Enquire |
| 3-Keto Donepezil-d6 | Stable Isotopes | CS-T-101204 | Not Available | Enquire |
| Desbenzyl Donepezil-13C3 | Stable Isotopes | CS-T-101090 | - | Enquire |
| Donepezil-13C3 Hydrochloride | Stable Isotopes | CS-T-95704 | 1246814-90-3 | Enquire |
| Donepezil-13C6 | Stable Isotopes | CS-T-103402 | 120014-06-4(unlabelled) | Enquire |
API
| COMPOUND | CATEGORY | CAT. No. | CAS. No. | STOCK STATUS |
|---|---|---|---|---|
| Donepezil hydrochloride monohydrate | API | CS-ED-01036 | 884740-09-4 | Enquire |
Metabolite
| COMPOUND | CATEGORY | CAT. No. | CAS. No. | STOCK STATUS |
|---|---|---|---|---|
| Donepezil N-Oxide | Metabolite | CS-O-07802 | 120013-84-5 | Enquire |
Impurity
| COMPOUND | CATEGORY | CAT. No. | CAS. No. | STOCK STATUS |
|---|---|---|---|---|
| 1-benzyl-4-((1,5,6-trimethoxy-1H-inden-2-yl)methyl)piperidin... | Impurity | CS-O-36060 | Not Available | In Stock |
| 1-Benzyl-4-(5,6-dimethoxy-1-oxoindan-2-yl)methylpyridinium B... | Impurity | CS-T-48865 | 231283-82-2 | In Stock |
| Donepezil EP Impurity A | Impurity | CS-O-10626 | 120014-30-4 | In Stock |
| Donepezil EP Impurity C | Impurity | CS-EO-01717 | 2452407-76-8 | Enquire |
| Donepezil Impurity 13 | Impurity | CS-EO-02285 | 608511-44-0 | Enquire |
| Donepezil Open Ring Impurity (sodium salt) | Impurity | CS-EO-03500 | 197010-25-6 (Freebase) | Enquire |
| Donepezil Open Ring Impurity HCl salt | Impurity | CS-O-51631 | 2217617-87-1 | Enquire |
| Hydroxy Donepezil (Mixture of Diastereomers) | Impurity | CS-T-27250 | 197010-20-1 | Enquire |
| 5,6-Dimethoxy-2-(1,2,3,6-tetrahydropyridin-4-ylmethyl)-2,3-d... | Impurity | CS-O-38607 | Not Available | Enquire |
| Donepenil EP Impurity C | Impurity | CS-EO-00372 | Not Available | Enquire |
| Donepezil alkene pyridine N-Oxide | Impurity | CS-T-90594 | 896134-06-8 | Enquire |
| Donepezil Alkene Pyridine N-oxide | Impurity | CS-O-36723 | 2452407-68-8 | Enquire |
| Donepezil EP Impurity G | Impurity | CS-EO-01080 | 2452407-72-4 | Enquire |
Intermediate
| COMPOUND | CATEGORY | CAT. No. | CAS. No. | STOCK STATUS |
|---|---|---|---|---|
| 5,6-Dimethoxy-1-indanone | Intermediate | CS-M-56599 | 2107-69-9 | In Stock |
Fine Chemicals
| COMPOUND | CATEGORY | CAT. No. | CAS. No. | STOCK STATUS |
|---|---|---|---|---|
| 2-((1-Benzylpiperidin-4-yl)methyl)-2-hydroxy-5,6-dimethoxy-2... | Fine Chemicals | CS-O-36948 | 329010-67-5 | Enquire |
Nitrosamine
| COMPOUND | CATEGORY | CAT. No. | CAS. No. | STOCK STATUS |
|---|---|---|---|---|
| Donepezil N-Nitroso Impurity | Nitrosamine | CS-EO-02148 | ---- | In Stock |