Levofloxacin R-Isomer（Levofloxacin EP Impurity A） CAS 100986-86-5
Purity >95%In StockPharmacopoeial Impurity Standards
| CAS No. | 100986-86-5 |
| Molecular Formula | C18H20FN3O4 |
| Molecular Weight | 361.37 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
Levofloxacin R-Isomer（Levofloxacin EP Impurity A） (CAS 100986-86-5) is a pharmacopoeial impurity standards certified reference material from CATO. Molecular formula: C18H20FN3O4. Molecular weight: 361.37 g/mol. ISO 17034 accredited production ensures traceable purity and reliable analytical results.
Physical & Chemical Properties
| Molecular Formula | C18H20FN3O4 |
| Molecular Weight | 361.37 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor) |
| Purity | >95% |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 10.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1985 |
| Halogen Content | F-containing |
| Nitrogen Atoms | 3 |
Related Levofloxacin Standards
- Levofloxacin Impurity 1 (CAS 178912-61-3)
- Levofloxacin EP Impurity I (CAS 178912-62-4)
- Levofloxacin Impurity 8 (CAS 2489671-28-3)
- Levofloxacin (CAS 100986-85-4)
- Levofloxacin impurity 77 (CAS CATO-C4X-137177)
- Levofloxacin Impurity 80 (CAS CATO-C4X-137180)
- Levofloxacin Impurity 62 (CAS CATO-C4X-137162)
- Levofloxacin Impurity 87 (CAS CATO-C4X-137187)
Recommended Standards
- Ofloxacin EP Impurity D (CAS 197291-75-1)
- Topramezone Impurity 1 (CAS CATO-C4X-35031)
- Gatifloxacin Impurity 3 (CAS 616205-76-6)
- Evocalcet Impurity 14 (CAS 870964-68-4)
- Elinzanetant Impurity 1 (CAS CATO-C4X-31571)
- 5-(Ethoxycarbonyl)-1H-indole-2-carboxylic acid (CAS 129655-38-5)
- 6-Methyl-2-(p-tolyl)quinoline-4-carbohydrazide (CAS 588696-78-0)
- 4-Chloro-1-(2,4-dichlorophenyl)-6-oxo-1,6-dihydropyridazine-3-carbonitrile (CAS 320419-46-3)
- 3-(n-(2-Carboxyphenyl)sulfamoyl)-4-chlorobenzoic acid (CAS 326878-90-4)
- Tirzepatide Impurity 35 (CAS CATO-C4X-324035)
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