Tosufloxacin Impurity 64 CAS CATO-C4X-19764
| CAS No. | CATO-C4X-19764 |
| Molecular Formula | C38H28F6N8O5 |
| Molecular Weight | 790.67 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
Based on its molecular formula C38H28F6N8O5, Tosufloxacin Impurity 64 contains a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage, fluorine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 790.67 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).
Tosufloxacin Impurity 64 (CAS CATO-C4X-19764) is a certified pharmaceutical impurity reference standard with the molecular formula C38H28F6N8O5 and a molecular weight of 790.67 g/mol.
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 certified reference material (CRM), Tosufloxacin 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 | C38H28F6N8O5 |
| Molecular Weight | 790.67 g/mol |
| Purity | 97%+ |
| Storage | Store in a cool place (≤25°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) | 26.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| Halogen Content | F-containing |
| Nitrogen Atoms | 8 |
Related Tosufloxacin Standards
- Tosufloxacin impurity 5 (CAS CATO-C4X-19765)
- Tosufloxacin Impurity 3 (CAS CATO-C4X-19763)
- Tosufloxacin impurity 6 (CAS CATO-C4X-19766)
- Tosufloxacin-D4 (CAS CATO-CCAD304671)
- Tosufloxacin Impurity 8 (CAS CATO-C4X-19768)
- Tosufloxacin (CAS 100490-36-6)
- Tosufloxacin Impurity 2 (CAS CATO-C4X-19762)
- Tosufloxacin Impurity 2 (CAS 100491-29-0)
Recommended Standards
- N-(4,4-Dimethoxytrityl)-8-bromoguanosine 2,3,5-Triacetate (CAS 1096020-93-7)
- 2-(4-Acetoxy-3-(5,7-diacetoxy-2-(4-acetoxyphenyl)-4-oxo-4H-chromen-8-yl)phenyl)-4-oxo-4H-chromene-5,7-diyl diacetate (CAS 17482-37-0)
- cis-Dichlorobis(triphenylphosphine)platinum(II) (CAS 15604-36-1)
- 6-(Methylthio)-9H-purin-9-amine (CAS 20914-61-8)
- Trimetazidine EP Impurity H (CAS 53531-01-4)
- Polaprezinc Impurity 15 (CAS CATO-C4X-182115)
- Rotigotine EP Impurity I HCl (CAS CATO-C4X-192710)
- 4-{[3-(methoxymethyl)phenyl]amino}pyridine-2-carbonitrile (CAS 1275856-40-0)
- (E)-(2-((hydroxyimino)methyl)phenyl)boronic acid (CAS 859160-67-1)
- Methyl (2-oxopropoxy)acetate (CAS 61363-66-4)
- 6-Chloro-4-methyl-1H-indole-2-carboxylic acid (CAS 1699668-61-5)
- (1-{1'-Adamantyl}-1-methyl-ethoxycarbonyl)-L-tryptophan (CAS 68388-91-0)
- Ethyl 3-amino-5-bromo-2-chlorobenzoate (CAS 1340383-52-9)
- Des-Ile17-Tirzepatide (CAS CATO-CPTD788956)
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