5-Bromo-2-(difluoromethoxy)thioanisole CAS 1805527-96-1
| CAS No. | 1805527-96-1 |
| Molecular Formula | C8H7BrF2OS |
| Molecular Weight | 269.11 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
CATO supplies 5-Bromo-2-(difluoromethoxy)thioanisole (CAS 1805527-96-1), a certified reference material (molecular formula C8H7BrF2OS, MW 269.11 g/mol) for analytical method development and quality control.
Owing to sulfur-containing functionality, a hydroxyl group, an ether linkage, fluorine/bromine substitution, an aromatic ring system, 5-Bromo-2-(difluoromethoxy)thioanisole is typically off-white to pale yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 269.11 g/mol — guide the selection of appropriate sample preparation and analytical techniques. 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).
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 | C8H7BrF2OS |
| Molecular Weight | 269.11 g/mol |
| Purity | 97%+ |
| Storage | Store at room temperature, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | May oxidize slowly on prolonged air exposure |
| Degree of Unsaturation (DBE) | 4.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1995 |
| Halogen Content | F/Br-containing |
| Sulfur Atoms | 1 |
Related Bromo Standards
- 1-Bromo-2-((2,2-difluoroethyl)sulfinyl)benzene (CAS 1162256-88-3)
- 1-[(4-bromo-2-fluorophenyl)methyl]-4-methyl-1h-pyrazole (CAS 1248326-96-6)
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Recommended Standards
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- (5-Bromo-2,3-difluoro-4-methoxyphenyl)(methyl)sulfane (CAS 2432849-09-5)
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