| Place of Origin: | CHINA |
|---|---|
| Brand Name: | TINGYI |
| Certification: | GMP , ISO 9001:2008 |
| Model Number: | 120014-06-4 |
| Minimum Order Quantity: | Negotiation |
| Price: | Contact Us |
| Packaging Details: | Stealth And Discreet Packaging |
| Delivery Time: | Within 7 Work Days |
| Payment Terms: | Bank Transfer - Bitcoin - Western Union - MoneyGram |
| Supply Ability: | 100 KG/Month |
| Product Name: | Donepezil | Other Name: | 2-[(1-Benzyl-4-piperidyl)methyl]-5,6-dimethoxy-2,3-dihydroinden-1-one |
|---|---|---|---|
| Appearance: | White Powder | Assay: | 99% |
| Usage: | Antidepressant | Shipping Method: | EMS, HKEMS, FEDEX, DHL, UPS, Aramex, ETC |
| High Light: | pharmaceutical active ingredients,pharmaceutical fine chemicals |
||
High Quality Pharmaceutical Raw Materials Smart Drug Donepezil CAS 120014-06-4 For Confusion Dementia
CAS:120014-06-4
MF: C24H29NO3
MW: 379.49
Synonyms: DONEPEZIL;2-[(1-benzyl-4-piperidyl)methyl]-5,6-dimethoxy-2,3-dihydroinden-1-one;1-BENZYL-4-[(5,6-DIMETHOXY-1-INDANON-2-YL) METHYL] PIPERIDINE;AKOS 226-23;2,3-dihydro-5,6-dimethoxy-2-((1-(phenylmethyl)-4-piperidinyl)methyl)-1h-inde ;n-1-one ;N-Benzyl-4-[(5,6-dimethoxy-1-indanon-2-yl)methyl] piperidine;5,6-Dimethoxy-2,3-dihydro-1H-inden-1-one
Melting point: 207°C
Water Solubility 2.931 mg/L
Abstract
Donepezil is a centrally acting reversible acetylcholinesterase inhibitor. Its main therapeutic use is in the palliative treatment of Alzheimer's disease. Common side effects include gastrointestinal upset. It has an oral bioavailability of 100% and easily crosses the blood-brain barrier. Because it has a biological half-life of about 70 hours, it can be taken once a day.
Donepezil has been tested in other cognitive disorders (and is sometimes used off label) including Lewy body dementia and vascular dementia, but it is not currently approved for these indications. Donepezil has been found to improve sleep apnea in Alzheimer's patients. Donepezil has also been studied in patients with Mild Cognitive Impairment, schizophrenia, attention deficit disorder, post-coronary bypass cognitive impairment, cognitive impairment associated with multiple sclerosis, CADASIL, and Down syndrome.
A 3 year NIH trial in patients with mild cognitive impairment reported that donepezil was superior to placebo in delaying rate of progression to dementia during the initial 18 months of the study but this was not sustained at 36 months. In a secondary analysis, a subgroup of individuals with the Apolipoprotein E4 genotype showed sustained benefits with donepezil throughout the study. However at this time donepezil is not indicated for prevention of dementia. Recent studies suggest that Donepezil can improve speech in children with autism. The studies found that speech of autistic children who were mild to moderately affected appeared to improve from the use of Donepezil.
Specification
| TEST ITEM | SPECIFICATION | RESULT |
| Appearance | Off white to white crystalline powder | Complies |
| Solubility | freely Freely soluble in chloroform, soluble in water and Acetic acid, slightly soluble in Acetonitrile and ethanol, insoluble in Ethylacetoacetate and n-hexane |
Complies |
| Identification | (1)By IR absorption ,To match with working standard |
Complies |
| (2) The retention time of the major peak of the sample should accord with that of the working standard. |
Complies | |
| (3) Test for chlorides. Reponds to the test for Chlorides. |
Complies | |
| PH | 4.0-7.0 | 6.10 |
| Residue on ignition | ≤0.1% | 0.03% |
| Related substance | Any Unkonwn single impurity≤0.3% Total ≤0.5% |
0.04% 0.18% |
| Heavy metal | ≤10ppm | <10ppm |
| Residual Solvents | Methanol≤0.3% Ethanol≤0.5% Ethyl acetate≤0.5% Toluene≤0.089% Acetic acid≤0.5% |
Not detected Not detected Not detected Not detected Not detected |
| Loss on drying | ≤0.5% | 0.20% |
| Assay | On dried base, C24H29NO3·HCl should be 98.0% to 102.0% |
100.20% |
| Conclusion: The product complies to Enterprise standard | ||
Application
Donepezil is used to treat confusion (dementia) related to Alzheimer's disease. It does not cure Alzheimer's disease, but it may improve memory, awareness, and the ability to function. This medication is an enzyme blocker that works by restoring the balance of natural substances (neurotransmitters) in the brain.
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