Chemical name: Donepezil Hydrochloride
Chemical name:
2,3-Dihydro-5,6-dimethoxy-2-[[1-(phenylmethyl)-4-piperidinyl]methyl]-1H-inden-1-one Hydrochloride
Formula: C24H29NO3·HCl
Structure:
CAS No.: 120014-06-4
Quality standard: SFDA of China
ITEMS |
SPECIFICATIONS |
Appearance |
White or almost white powder |
Acidity(pH) |
4.0~6.0 |
Related Substances |
Single:≤0.5%
Total:≤1.0% |
Loss on drying |
≤6.0% |
Residue on ignition |
≤0.1% |
Heavy metals |
≤20ppm |
Bromide |
≤0.1% |
Residual organic solvents |
dichloromethane: ≤0.06%
pyridine: ≤0.02%
THF: ≤0.072% |
Assay |
≥98.5% |
|
