2-(4-Bromo-3-fluorophenoxy)ethane-1-sulfonyl chloride CAS 1478834-57-9
| CAS No. | 1478834-57-9 |
| Molecular Formula | C8H7BrClFO3S |
| Molecular Weight | 317.56 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Based on its molecular formula C8H7BrClFO3S, 2-(4-Bromo-3-fluorophenoxy)ethane-1-sulfonyl chloride contains a sulfone group, a carboxylic acid group, a hydroxyl group, an ether linkage, fluorine/chlorine/bromine substitution, an aromatic ring system; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 317.56 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. 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).
2-(4-Bromo-3-fluorophenoxy)ethane-1-sulfonyl chloride (CAS 1478834-57-9) is a high-purity analytical reference standard with the molecular formula C8H7BrClFO3S and a molecular weight of 317.56 g/mol.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
As a certified reference material (CRM), 2-(4-Bromo-3-fluorophenoxy)ethane-1-sulfonyl chloride 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.
Physical & Chemical Properties
| Molecular Formula | C8H7BrClFO3S |
| Molecular Weight | 317.56 g/mol |
| Purity | 97%+ |
| Storage | Store in a cool place (≤25°C), keep sealed and dry |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Hygroscopic; reseal immediately after opening; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 4.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1992 |
| Halogen Content | F/Cl/Br-containing |
| Sulfur Atoms | 1 |
Related Bromo Standards
- 2-(2-Bromo-4-fluorophenoxy)ethane-1-sulfonyl chloride (CAS 1339226-45-7)
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Recommended Standards
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- N-Hexadecylaniline (CAS 4439-42-3)
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- Hexadecanoic-4,4-d2 Acid (CAS 30719-28-9)
- Arvanil (CAS 128007-31-8)
- rac-N-Benzyl-N-[2-hydroxyl-2-(4-benzyloxy-3-nitrophenyl)-ethyl]-3-(4-methoxyphenyl)-2-propylamine-d6 (CAS 1216475-21-6)
- 2,6-Difluoro-4-(trifluoromethyl)pyridine (CAS 1378824-94-2)
- Tofacitinib Impurity 109 (CAS CATO-C4X-1079109)
- 3-(1,1-Dimethylethyl)-5-mercapto-1,2,4-triazole 38449-51-3 C6H11N3S S782 (CAS 38449-51-3)
- 1-Benzyl-4-(3-fluorophenyl)-1,2,3,6-tetrahydropyridine (CAS 75527-41-2)
- 2-(Benzylideneamino)-2H-naphtho[2,3-d][1,2,3]triazole-4,9-dione (CAS 189879-50-3)
- Semaglutide impurity 85 (CAS CATO-C4X-222685)
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