2-Ethoxy-4-fluorobenzenesulfonyl chloride CAS 1597654-94-8
| CAS No. | 1597654-94-8 |
| Molecular Formula | C8H8ClFO3S |
| Molecular Weight | 238.66 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 2-Ethoxy-4-fluorobenzenesulfonyl chloride (CAS 1597654-94-8), a certified reference material (molecular formula C8H8ClFO3S, MW 238.66 g/mol) for analytical method development and quality control.
Owing to a sulfone group, a carboxylic acid group, a hydroxyl group, an ether linkage, fluorine/chlorine substitution, an aromatic ring system, 2-Ethoxy-4-fluorobenzenesulfonyl chloride is typically off-white to pale yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 238.66 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).
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 | C8H8ClFO3S |
| Molecular Weight | 238.66 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) | 4.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1993 |
| Halogen Content | F/Cl-containing |
| Sulfur Atoms | 1 |
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Recommended Standards
- (5-Fluoro-2-methoxyphenyl)methanesulfonyl chloride (CAS 1505586-29-7)
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- 4,4,4-Trifluoro-2,2-dimethylbutane-1-sulfonyl chloride (CAS 1780669-38-6)
- 3-Bromoheptane (CAS 1974-05-6)
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- 6-Chloro-N-(4-methoxyphenyl)pyridazin-3-amine (CAS 61471-98-5)
- 4-Acetyl-N,N-diphenylbenzenesulfonamide (CAS 3938-79-2)
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- Benzyl (R)-4-((S)-2-((R)-2-(((2S,3R,4R,5S,6R)-3-acetamido-2-(benzyloxy)-5-hydroxy-6-(hydroxymethyl)tetrahydro-2H-pyran-4-yl)oxy)propanamido)propanamido)-5-amino-5-oxopentanoate (CAS 62928-83-0)
- Tert-butyl 2-(2-aminoethyl)-2,8-diazaspiro[4.5]Decane-8-carboxylate (CAS 1420876-70-5)
- Methyl (2S,4S)-4-(4-nitrophenoxy)-2-pyrrolidinecarboxylate hydrochloride (CAS 1354484-59-5)
- 2-bromo-4-fluoro-5-(trifluoromethoxy)aniline (CAS 1806981-27-0)
- Tau Peptide (307-321) trifluoroacetate salt (CAS 330456-50-3)
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