Product Name | Ceftezole Sodium |
Characters | A white or slightly yellow powder or crystalline powder, odourless,hygroscopic Freely soluble in water, slightly soluble in methanol, insoluble in alcohol and ether |
Identification | A.Chemical B. IR C. HPLC D. UV Max absorbance 272 nm |
Water | ≤5% |
Color of solution | Colorless, yellow or GY NMT 6# |
Clarity of solution | Clear or NMT 1# |
pH | 4.5~6.5 |
Specific optical rotation | -5°~ -9° |
Absorbance | 270~300(272nm) |
Ceftezole polymer | ≤0.05% |
Residue solvent | Alcohol Methanol |
Bacterial endotoxins | ≤0.075eu/mg |
Sterility | Meets the requirements |
Particulate matter | ≥10 um , ≤6000 ≥25 um , ≤600 |
Related substances | Single peak: ≤1% Total peaks: ≤1.5% |
Assay HPLC | ≥90.0%Anhydrous and C13H12N8O4S3 basis |