Norfloxacin Impurity 64 CAS CATO-C4X-146864
| CAS No. | CATO-C4X-146864 |
| Molecular Formula | C16H15BClFNO7 |
| Molecular Weight | N/A |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
This reference standard supports related-substances testing and method development in line with ICH Q3A/Q3B guidance on impurity control, and is suitable for system suitability testing and forced-degradation studies.
As a process- or degradation-related impurity, Norfloxacin Impurity 64 (CAS CATO-C4X-146864, C16H15BClFNO7) is essential for impurity profiling, related-substances testing, and forced-degradation studies in pharmaceutical development.
Based on its molecular formula C16H15BClFNO7, Norfloxacin Impurity 64 contains a flavonoid core, an amide group, a hydroxyl group, an ether linkage, fluorine/chlorine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 398.55 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
As a certified reference material (CRM), Norfloxacin Impurity 64 meets the metrological traceability requirements of ISO/IEC 17025 laboratories. Batch-to-batch consistency is monitored via control charts to guarantee comparable assigned values across lots.
Physical & Chemical Properties
| Molecular Formula | C16H15BClFNO7 |
| Molecular Weight | 398.55 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor, low volatility) |
| Purity | >95% |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 9.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| Halogen Content | F/Cl-containing |
| Nitrogen Atoms | 1 |
Related Norfloxacin Standards
- Norfloxacin-D5 (CAS 1015856-57-1)
- Norfloxacin Impurity 21 (CAS 103240-27-3)
- Norfloxacin Hydrochloride (CAS 104142-93-0)
- Norfloxacin EP Impurity H (CAS 105440-01-5)
- Norfloxacin Impurity C70 (CAS 106847-38-5)
- Norfloxacin Impurity C171 (CAS 106847-39-6)
- Norfloxacin Impurity 63 (CAS 106847-42-1)
- Norfloxacin Impurity 22 (CAS 109142-49-6)
Recommended Standards
- N-Nitroso Tryptophan EP Impurity H (CAS 24950-98-9)
- Tiotropium Bromide EP Impurity G-d3 (CAS 1508-46-9（unlabeled）)
- Empagliflozin Impurity 217 (CAS CATO-C4X-1065217)
- 2-(Difluoromethyl)-5-iodo-4-hydroxypyridine (CAS 1806780-31-3)
- 2-((2,3,6,7-tetrahydro-1H,5H-pyrido[3,2,1-ij]quinolin-9-yl)methylene)malononitrile (CAS 58293-56-4)
- (1-Chloroisoquinolin-6-yl)methanol (CAS 1820640-22-9)
- 4-(Difluoromethyl)-2-iodo-6-methylnicotinamide (CAS 1806023-04-0)
- Methyl 4-(piperidin-2-yl)butanoate (CAS 1187988-88-0)
- 4-Methoxy-3-methylphenylacetone (CAS 16882-23-8)
- Biotinyl-Pancreatic Polypeptide (human) trifluoroacetate salt (CAS 1816258-36-2)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
- Worldwide shipping with full export documentation (HS code guidance available)
- Technical support: +86 18665070610 / Nicole.chen@cato-chem.com