5-Bromo-2,2,3,3-tetrafluoro-2,3-dihydro-benzo[b]thiophene CAS 146431-20-1
| CAS No. | 146431-20-1 |
| Molecular Formula | C6H5BCl2O2 |
| Molecular Weight | 190.82 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
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.
5-Bromo-2,2,3,3-tetrafluoro-2,3-dihydro-benzo[b]thiophene (CAS 146431-20-1), molecular formula C6H5BCl2O2 and molecular weight 190.82 g/mol, is a CATO reference standard with documented purity and traceability.
The molecular framework of 5-Bromo-2,2,3,3-tetrafluoro-2,3-dihydro-benzo[b]thiophene (C6H5BCl2O2) is characterized by a carboxylic acid group, a hydroxyl group, an ether linkage, chlorine substitution. In reversed-phase chromatography, its retention is governed primarily by the polarity and ionization state of its functional groups, which provides a practical basis for HPLC-UV/DAD or LC-MS method development. The presence of an aromatic ring or conjugated system gives the compound characteristic absorption bands in the UV-Vis region, making it well suited to UV or diode-array detection (DAD).
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C6H5BCl2O2 |
| Molecular Weight | 190.82 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | May oxidize slowly on prolonged air exposure; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 3.5 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 1998 |
| Halogen Content | Cl-containing |
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