4-fluoro-2,6-dimethylbenzene-1-sulfonyl chloride CAS 88972-03-6
| CAS No. | 88972-03-6 |
| Molecular Formula | C8H8ClFO2S |
| Molecular Weight | 222.66 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.
4-fluoro-2,6-dimethylbenzene-1-sulfonyl chloride (CAS 88972-03-6) is a high-purity analytical reference standard with the molecular formula C8H8ClFO2S and a molecular weight of 222.66 g/mol.
Owing to a sulfone group, a carboxylic acid group, a hydroxyl group, an ether linkage, fluorine/chlorine substitution, an aromatic ring system, 4-fluoro-2,6-dimethylbenzene-1-sulfonyl chloride is typically off-white to pale yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 222.66 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.
Physical & Chemical Properties
| Molecular Formula | C8H8ClFO2S |
| Molecular Weight | 222.66 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; 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.) | 1982 |
| Halogen Content | F/Cl-containing |
| Sulfur Atoms | 1 |
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- 4-Methyl-7-[(4-nitrophenyl)methoxy]-2H-chromen-2-one (CAS 314741-99-6)
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