1-(4-Fluorophenyl)-2-(methylsulfonyl)ethan-1-one CAS 82652-17-3
| CAS No. | 82652-17-3 |
| Molecular Formula | C9H9FO3S |
| Molecular Weight | 216.23 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
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.
1-(4-Fluorophenyl)-2-(methylsulfonyl)ethan-1-one (CAS 82652-17-3), molecular formula C9H9FO3S and molecular weight 216.23 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 substitution, an aromatic ring system, 1-(4-Fluorophenyl)-2-(methylsulfonyl)ethan-1-one is typically off-white to pale yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 216.23 g/mol — guide the selection of appropriate sample preparation and analytical techniques. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.
As a certified reference material (CRM), 1-(4-Fluorophenyl)-2-(methylsulfonyl)ethan-1-one 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 | C9H9FO3S |
| Molecular Weight | 216.23 g/mol |
| Purity | 97%+ |
| Storage | Store in a cool place (≤25°C), keep sealed and dry, keep tightly closed to prevent evaporation |
| 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) | 5.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1980 |
| Halogen Content | F-containing |
| Sulfur Atoms | 1 |
Related Fluorophenyl Standards
- 1-(2-fluorophenyl)-2-methanesulfonylethan-1-one (CAS 1249532-55-5)
- 1-((4-Fluorophenyl)sulfonyl)propan-2-one (CAS 432-98-4)
- 1-(3-Fluorophenyl)-2-(methylsulfonyl)ethan-1-one (CAS 82652-12-8)
- (E)-3-(2-fluorophenyl)-1-(furan-3-yl)prop-2-en-1-one (CAS 1164555-67-2)
- (E)-1-(4-Fluorophenyl)-3-(furan-2-yl)prop-2-en-1-one (CAS 1257127-89-1)
- 5-(2-Fluorophenyl)nicotinamide (CAS 1346691-43-7)
- 5-(4-Fluorophenyl)nicotinamide (CAS 1356110-50-3)
- 5-(3-Fluorophenyl)nicotinamide (CAS 1356110-53-6)
Recommended Standards
- 1-(Furan-2-yl)-2-(4-methoxyphenyl)ethanone (CAS 81474-54-6)
- 1-(2-Hydroxy-6-methoxynaphthalen-1-yl)ethanone (CAS 86539-78-8)
- 1,1-Dioxidotetrahydrothiophen-3-yl hydrogen sulfate (CAS 478945-39-0)
- 1-(1-Hydroxy-4-methoxynaphthalen-2-yl)ethan-1-one (CAS 73584-59-5)
- N-Methyl-1-(4,5,6,7-tetrahydrobenzo[d]isoxazol-3-yl)methanamine hydrochloride (CAS 1228070-87-8)
- 2-Bromo-1-ethynyl-4-methylbenzene (CAS 947546-75-0)
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- 3-Bromo-5-(trifluoromethoxy)phenol (CAS 1197239-47-6)
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