op Quality Levofloxacin Hemihydrate CAS 138199-71-0
| Price | USD20.00 |
| Packge | 1kg |
- Min. Order:10kg
- Supply Ability:20tons
- Time:2022-06-28
Product Details
- Product NameLevofloxacin heMihydrate
- CAS No.138199-71-0
- EINECS No.604-067-2
- MFC18H22FN3O5
- MW379.39
- AppearanceneatPale Yellow to Light Yellow
- Melting point 214-216°C
- storage temp. Sealed in dry,2-8°C
Basic Info.
Model NO.
SAMREAL-0022
Colour
Light Yellowish to White Crystalline Powder
Transport Package
Drum
Specification
99.0% Min.
Trademark
linwo
Origin
China
Product Description
Levofloxacin Hemihydrate CAS NO 138199-71-0
| Tests | Specification | Results |
| Appearance | Light yellowish to white crystalline powder | Conforms |
| Specific rotation | -92°~-106° | -100° |
Identification | 1) Infrated Absorption | Conforms |
| 2) HPLC The retention time of the major peak of the sample solution corresponds to that of the standard solution,as obtained in the assay. | Conforms | |
Related substances(HPLC1) | N-Desmethyl levofloxacin ≤0.3% | 0.06% |
| Diamine derivative ≤0.3% | Not detected | |
| Levofloxacin N-oxide ≤0.3% | Not detected | |
| 9- Desfluoro levofloxacin≤0.3% | Not detected | |
| D-Isomer ≤0.8% | 0.24% | |
| Any unknown impurities ≤0.1% | 0.07% | |
| Total impurities ≤0.5% | 0.14% | |
Related substances(HPLC2) | Levofloxacin related compound A ≤0.2% | 0.06% |
| Levofloxacin related compound B≤0.13% | Not detected | |
| Any other impurity≤0.1% | 0.04% | |
| Total impurities≤0.5% | 0.22% | |
| Residue on ignition | ≤0.2% | 0.05% |
| Water | 2.0%~3.0% | 2.6% |
| Heavy metals | ≤10 ppm | Conforms |
| Assay | 98.0%~102.0% on anhydrous basis | 99.6% |
| Enantiomeric purity | D-ofloxacin ≤1.0% | 0.25% |
| Conclusion | Conform to the requirements of USP 41 standard. | |
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- Since:2022-03-18
- Address: Room 601, Unit 1, Building 1, 188 Xinhuali, North Xinhua Road, Xiangdu District, Xingtai city, Hebei
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