盐酸多奈哌齐

99.0%min

类白色至白色结晶

Appearance Off white to white crystalline powder
Solubility Freely soluble in chloroform, soluble in water and Acetic acid, slightly soluble in Acetonitrile  and ethanol, insoluble in Ethylacetoacetate and  n-hexane
Identification (1)By IR absorption ,To match with working standard
(2) The retention time of the major peak of the sample should  accord with that of the working standard.
(3) Test for chlorides. Reponds to the test for Chlorides.
PH 4.0-7.0
Residue on ignition ≤0.1%
Related substance Any Unkonwn single impurity≤0.3%
Total ≤0.5%
Heavy metal ≤10ppm
Residual Solvents Methanol≤0.3%
Ethanol≤0.5%
Ethyl acetate≤0.5%
Toluene≤0.089%
Acetic acid≤0.5%
Loss on drying ≤0.5%
Assay On dried base, C24H29NO3•HCl should be 99.0% to 102.0%