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Chloroquine diphosphate
Molecular Formula C18H26ClN3.2(H3PO4);C18H32ClN3O8P2
Molecular Weight 515.87
CAS 50-63-5
white or almost white crystalline powder
The solution shows absorption Max.220nm,235nm,256nm,329nm and
342nm;
The precipitate melts at 206℃～209℃;
Gives reaction of phosphate.
98.5%～101.0%
