Detailed Product Description

 Parameters                                   Specifications

Description                             White to pale yellow crystalline powder

Identity                                     Conforms the test

Specific Rotation                              -27°~ -33°

Absorbance                                   405~435

pH                                          1.6~2.6

Clarity of Solution                  Not more than No0.5 turbidity standard solution

Colour of Solution           Not more than No5. yellow or yellow-green standard solution

Water Content                              Not more than2.0%

Related Substances 

The Biggest Individual Impurity                Not more than0.8%

Total Impurities                             Not more than1.8%

Cefpirome polymer                            Not more than0.4%

Dichloromethane                             Not more than0.06%(g/g)

Residue of ignition                             Not more than 0.1%

Heavy Metals                                 Not more than0.0020%

Bacterial Endotoxins                        Less than 0.10EU/mg(Cefpirome)

Sterility Test                                   Conforms the test

Solubility and Strange                            Conforms the test

visible Particles*                    

Insoluble particles                Bigger than 25µm Not more than 500 /bottle

                               Bigger than 10µm Not more than 5000 /bottle

Assay                         Contains C₂₂H₂₂N₆O₅S₂  not less than 83.5% (Calculated on anhydrous substance)