7-Bromo-2-oxo-2H-chromen-4-yl trifluoromethanesulfonate CAS 179113-74-7
| CAS No. | 179113-74-7 |
| Molecular Formula | C10H4BrF3O5S |
| Molecular Weight | 373.10 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 373.10 g/mol gives 7-Bromo-2-oxo-2H-chromen-4-yl trifluoromethanesulfonate distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
7-Bromo-2-oxo-2H-chromen-4-yl trifluoromethanesulfonate (CAS 179113-74-7), molecular formula C10H4BrF3O5S and molecular weight 373.10 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C10H4BrF3O5S, 7-Bromo-2-oxo-2H-chromen-4-yl trifluoromethanesulfonate contains a sulfone group, a carboxylic acid group, a hydroxyl group, an ether linkage, fluorine/bromine substitution, an aromatic ring system; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 373.10 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
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 | C10H4BrF3O5S |
| Molecular Weight | 373.10 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| 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) | 7.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2008 |
| Halogen Content | F/Br-containing |
| Sulfur Atoms | 1 |
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