Hydroxy Chloroquine Sulfate

CAS NO: 747-36-4

Specification: BP/USP

Product Name Hydroxy Chloroquine Sulfate
Quality Standard BP/USP


Testing Items Critrion
Appearance White or off white crystalline powder
Identification Positive
Acidity PH(1% W/V) 3.5-5.5
Clarity of solution Not more than slightly turbid
Color of solution Not more than slightly yellow
Lead 20ppm Max
Chloride 350ppm Max
Related substances One spot ≤1.0%
Any other spot ≤ 0.5%
Organic volatile Impurities Meets
Loss on drying ≤2.0%
Sulphated Ash ≤0.2%
Assay 98.5%-100.5%
Melting Point 231℃


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