Name: Nifedipine
Molecular Formula:C17H18N2O6
Molecular Weight:346.34
CAS Registry Number:21829-25-4
Appearance A yellowish crystalline powder
Identification Should be positive reaction
Melting point 171 ° C ~ 175 ° C
Loss on drying NMT 0.5%
Residue on ignition NMT 0.1%
Heavy metals NMT 0.001%
Perchloric acid titration Meets the requirements
Chloride and sulfate Chlorides NMT 0.02%, Sulfates NMT 0.05%
Related compounds Meets the requirements
Organic volatile impurities Meets the requirements
Assay 98.0% ~ 102.0%
Packing:25Kg/barrel 
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