Donepezil, Brand Name : royalpharms

We are offering donepezil. Assay:98.5%min appearance white or almost white powder acidity(ph) 4.0~6.0 related substances single:0.5% max total:1.0% max loss on drying 6.0% max residue on ignition 0.1% max heavy metals 20ppm max bromide0.1% max residual organic solvents dichloromethane: 0.06% max pyridine: 0.02% max thf: 0.072% max assay98.5% min.