Ozenoxacin Impurity 79 CAS CATO-C4X-279679
| CAS No. | CATO-C4X-279679 |
| Molecular Formula | C20H19N3O6S |
| Molecular Weight | 429.45 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
As a certified reference material (CRM), Ozenoxacin Impurity 79 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.
CATO supplies Ozenoxacin Impurity 79 (CAS CATO-C4X-279679), a pharmacopoeial impurity reference standard (molecular formula C20H19N3O6S, MW 429.45 g/mol) used for the identification and quantification of trace impurities in APIs.
Owing to a flavonoid core, an amide group, a sulfone group, a hydroxyl group, an ether linkage, Ozenoxacin Impurity 79 is typically pale yellow to yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 429.45 g/mol — guide the selection of appropriate sample preparation and analytical techniques. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
Recommended for quantitative analysis by HPLC, GC, LC-MS/MS, or GC-MS as an external calibration standard; it can also be used for spiked-recovery experiments, LOD/LOQ determination, and LC-MS/MS multiple-reaction-monitoring (MRM) calibration.
Physical & Chemical Properties
| Molecular Formula | C20H19N3O6S |
| Molecular Weight | 429.45 g/mol |
| Purity | ≥95% |
| 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 |
| Degree of Unsaturation (DBE) | 13.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| Nitrogen Atoms | 3 |
| Sulfur Atoms | 1 |
Related Ozenoxacin Standards
- Ozenoxacin Impurity 58 (CAS CATO-C4X-279658)
- Ozenoxacin Impurity 37 (CAS CATO-C4X-279637)
- Ozenoxacin Impurity 45 (CAS CATO-C4X-279645)
- Ozenoxacin Impurity 77 (CAS CATO-C4X-279677)
- Ozenoxacin Impurity 78 (CAS CATO-C4X-279678)
- Ozenoxacin Impurity 54 (CAS CATO-C4X-279654)
- Ozenoxacin Impurity 26 (CAS CATO-C4X-279626)
- Ozenoxacin Impurity 43 (CAS CATO-C4X-279643)
Recommended Standards
- N-{1-[(Z)-[(4-fluorophenyl)methylidene]amino]-6-methyl-2-oxo-5-(1H-pyrazol-5-yl)-1,2-dihydropyridin-3-yl}-4-methylbenzamide (CAS 321385-51-7)
- 4-(5-(4-Fluorobenzyl)-1H-pyrazol-3-yl)pyridine (CAS 1001112-68-0)
- Methyl 3-(2-((5-(3,5-dimethoxyphenyl)-1,3,4-oxadiazol-2-yl)thio)acetamido)benzoate (CAS 838816-57-2)
- 2-((((9H-Fluoren-9-yl)methoxy)carbonyl)amino)-5-(cyclopropylmethoxy)benzoicacid (CAS 1033194-63-6)
- Epinephrine impurity 96 (CAS CATO-C4X-184996)
- Lemborexant impurity 11 (CAS CATO-C4X-304211)
- Nalmefene Impurity 23 (CAS CATO-C4X-126823)
- Thioctic Acid ethyl ester Hydrochloride (CAS 46353-61-1（free base）)
- 2-Bromo-2-cyclopentenone (CAS 10481-34-2)
- 4-(6-Methylpyridin-2-yl)morpholine hydrochloride (CAS 1704064-99-2)
- 2-Methylenecyclobutane-1-carboxylic acid (CAS 57822-22-7)
- 5-Cyclopropoxy-2-methoxy-N,N-dimethylaniline (CAS 1243322-48-6)
- 2-Methyl-5-(4-(methylsulfonyl)phenyl)-1-(3-(trifluoromethyl)phenyl)-1H-pyrrole-3-carbaldehyde (CAS 338416-44-7)
- Peptide-GMF (CAS CATO-CPTD788469)
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