1-(3,4-Dichlorophenyl)-2-(4-fluorobenzenesulfonyl)ethan-1-ol CAS 320422-64-8
| CAS No. | 320422-64-8 |
| Molecular Formula | C14H11Cl2FO3S |
| Molecular Weight | 349.20 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
1-(3,4-Dichlorophenyl)-2-(4-fluorobenzenesulfonyl)ethan-1-ol (CAS 320422-64-8), molecular formula C14H11Cl2FO3S and molecular weight 349.20 g/mol, is a CATO reference standard with documented purity and traceability.
Owing to a sulfone group, a carboxylic acid group, a hydroxyl group, an ether linkage, fluorine/chlorine substitution, a polycyclic aromatic system, 1-(3,4-Dichlorophenyl)-2-(4-fluorobenzenesulfonyl)ethan-1-ol is typically pale yellow to yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 349.20 g/mol — guide the selection of appropriate sample preparation and analytical techniques. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
This reference standard is suitable for quantitative analysis on major chromatographic platforms including HPLC, GC, LC-MS/MS, and GC-MS, serving as an external calibration standard or a system suitability test reference material.
As a certified reference material (CRM), 1-(3,4-Dichlorophenyl)-2-(4-fluorobenzenesulfonyl)ethan-1-ol 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 | C14H11Cl2FO3S |
| Molecular Weight | 349.20 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate, 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) | 8.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Halogen Content | F/Cl-containing |
| Sulfur Atoms | 1 |
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Recommended Standards
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- Methyl4-(7-bromobenzo[c][1,2,5]thiadiazol-4-yl)benzoate (CAS 1132711-33-1)
- 1-Bromo-N-(4-methyl-5-oxo-2,3,4,5-tetrahydrobenzo[f][1,4]oxazepin-7-yl)methanesulfonamide (CAS 922112-26-3)
- 1-(4-(Benzyloxy)-1-(phenylsulfonyl)-1H-indol-2-yl)ethanone (CAS 889675-05-2)
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- (S)-2-((4-Chloro-6-((4-nitrophenyl)amino)-1,3,5-triazin-2-yl)amino)pentanedioic acid (CAS 61955-61-1)
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- 2-(Bromomethyl)-3-cyano-6-(difluoromethyl)-5-nitropyridine (CAS 1805973-61-8)
- 5-Fluoro-1-tosylindole (CAS 719308-89-1)
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