Cefazolin sodium salt CAS NO.27164-46-1

Appearance:White to off-white crystalline powder, or white tooff-white powder. Identification：1) UV absorption spectrum of sample concordant …

 Appearance:White to off-white crystalline powder, or white to off-white powder.

Identification：1) UV absorption spectrum of sample concordant

                  with the reference spectrum of cefazolin WRS.

                2) The retention time of the major peak for

                cefazolin in the chromatogram of the assay

                 preparation corresponds to that in the chromatogram

                of the standard preparation,as obtained in the assay.

                3) Yields the flame reaction of sodium salts.

Solubility： Should be clear

PH： 4.0~6.0

Specific optical rotation： -10.0°~ -24.0°

Particulate： No visible foreign matter 

Particular matter： ≥10um,≤6000 pc/g 

                    ≥25um,≤600 pc/g 

Water： ≤6.0%

Sterility ：Conforms

Bacterial endotoxins ：≤0.15 EU/mg

Assay：(Calculated as anhydrous basis) 89.1%~110.1% of cefazolin sodium