Appearance:White or yellowish white powder
Melting point:199-203 oC
Assay: 98.5%-101.0%(BP);99.0-101.0%(CP)
Loss on drying: ≤1.0%(BP);≤0.5%(USP,CP)
Related substances: ≤0.2%
Usage
Cure pneogaster infection, chronic senile bronchitis, bacillary dysentery, urinary tract infection, pyelon-dphristis, enteritis typhoid, gonorrhea and some specific lesion etc