Chloroquine Phosphate

CAS number: 50-63-5

Molecular formula: C18H32ClN3O8P2

molecular weight:

Chemical structure:

CharactersA white or almost white crystalline powderConform 
Melting pointOne melting at about 195°C196°C
IdentificationPositive Conform 
SolutionsComplies with test Conform 
Appearance of solutionBY5 OR GY5 max GY5
PH(10% w/v)3.8-4.34.2
Related substanceone spot 1.0% max Conform 
Any other spot 0.5% max Conform 
Heavy metals20ppm max 10ppm 
Water2.0% max 0.6%
Assay98.5%~101.0%  99.6%