SPECIFICATION
Appearance | Light yellowish-white to yellow-white crystal or crystalline powder |
Optical rotation | -92° to-106° |
Heavy metals | ≤10 ppm |
Water | 2.1%- 2.7% |
Sulfated ash | ≤0.2% |
Related substances: | |
N-Desmethyl levofloxacin | ≤0.3% |
Diamine derivative | ≤0.3% |
Levofloxacin N-oxide | ≤0.3% |
9-Desfluoro levofloxacin | ≤0.3% |
D-lsomer | <0.8% |
Any unknown impurity | ≤0.1% |
Total impurities | ≤0.5% |
Assay | 98.0%~ 102.0% |
Molecular Structure:
Molecular Formula: C18H20FN3O4·1/2H2O
Molecular Weight: 370.38
Description: It is hemihydrate. Its solubility in water is 10 times that of the latter. Needle like crystals were obtained from ethanol ether, melting point 225-227 ℃.
Application:Oral levofloxacin is mainly used for mild and moderate infections caused by sensitive bacteria. The dosage is 250mg~500mg once a day. The corresponding indications are a wide range of chemicalbooks, including but not limited to: community-acquired pneumonia, bacterial sinusitis, acute bronchitis, complex and non complex skin tissue or skin structural infection, chronic bacterial prostatitis, and complex urinary tract infection.
Packing and Storage : Preserve in tight and light-resistant containers. Store at room temperature.
Minimum Order: One package