Emtricitabine Impurity 24 CAS CATO-C4X-123224
| CAS No. | CATO-C4X-123224 |
| Molecular Formula | C9H11FN2O3S |
| Molecular Weight | 246.26 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 246.26 g/mol gives Emtricitabine Impurity 24 distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
CATO supplies Emtricitabine Impurity 24 (CAS CATO-C4X-123224), a pharmacopoeial impurity reference standard (molecular formula C9H11FN2O3S, MW 246.26 g/mol) used for the identification and quantification of trace impurities in APIs.
Based on its molecular formula C9H11FN2O3S, Emtricitabine Impurity 24 contains a nitrogen-containing heterocyclic scaffold, an amide group, a sulfone group, a hydroxyl group, an ether linkage, fluorine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 246.26 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).
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.
The assigned purity is verified by mass-balance and quantitative NMR (qNMR) approaches, with the expanded uncertainty reported at a 95% confidence level (k=2). Batch homogeneity and stability are independently assessed for every lot.
Physical & Chemical Properties
| Molecular Formula | C9H11FN2O3S |
| Molecular Weight | 246.26 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO |
| 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) | 5.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| Halogen Content | F-containing |
| Nitrogen Atoms | 2 |
| Sulfur Atoms | 1 |
Related Emtricitabine Standards
- Emtricitabine Impurity 23 (CAS CATO-C4X-123223)
- Emtricitabine Diastereomer (RS ISOMER ) (CAS 143491-54-7)
- Emtricitabine Racemic Mixture (CAS 144371-00-6)
- Emtricitabine Hydrochloride (CAS 258832-61-0)
- Emtricitabine 5-Epimer (CAS 145986-26-1)
- Emtricitabine Enantiomer (CAS 137530-41-7)
- 2-epi-Emtricitabine (CAS 145416-34-8)
- Emtricitabine (CAS 143491-57-0)
Recommended Standards
- Vilazodone Impurity 6 (CAS 183288-47-3)
- Lenvatinib Impurity 54 (CAS 2143930-77-0)
- Lenalidomide Impurity 30 (CAS 13726-85-7)
- Tadalafil Impurity 55 (CAS 2280-01-5)
- Aztreonam impurity 90 (CAS CATO-C4X-152290)
- Opicapone impurity 65 (CAS 64095-07-4)
- Famciclovir Impurity 32 (CAS CATO-C4X-164232)
- Methyl (E)-3-(m-tolyl)acrylate (CAS 82444-40-4)
- 4-((4-Chlorophenyl)(phenyl)amino)benzaldehyde (CAS 89115-22-0)
- 2-(4-Oxo-4-phenylbutyl)isoindoline-1,3-dione (CAS 7347-68-4)
- 1-(azepan-3-yl)methanamine (CAS 1779851-17-0)
- 2-(4-Oxoquinazolin-3(4H)-yl)-N-(4-phenoxyphenyl)acetamide (CAS 403736-15-2)
- (S)-2-chloro-1-(pyridin-3-yl)ethan-1-ol (CAS 515179-33-6)
- Semaglutide Impurity 176 (CAS CATO-C4X-2226176)
Why CATO?
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- 130,000+ catalog items in stock, COA supplied with every batch
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- Technical support: +86 18665070610 / Nicole.chen@cato-chem.com