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Chloroquine Diphosphate

Chloroquine Diphosphate

    Chloroquine diphosphate CAS:50-63-5 MF:C18H32ClN3O8P2 MW:515.86 Appearance A white or almost white, crystalline powder, hygroscopic Solubility Freely soluble in water, very slightly soluble in alcohol and in methanol 1) UV Maxima at 220 nm, 235nm,256nm,329nm and 342nm 2) infrared absorption Infrared absorption spectra of test and standard are concordant 3) Picric acid precipitate The precipitate forms with picric acid solution melts at 206℃~209℃