3-(chlorosulfonyl)benzene-1-sulfonyl fluoride CAS 2489-52-3
| CAS No. | 2489-52-3 |
| Molecular Formula | C6H4ClFO4S2 |
| Molecular Weight | 258.67 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Based on its molecular formula C6H4ClFO4S2, 3-(chlorosulfonyl)benzene-1-sulfonyl fluoride contains a sulfone group, a carboxylic acid group, a hydroxyl group, an ether linkage, fluorine/chlorine substitution, an aromatic ring system; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 258.67 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
CATO supplies 3-(chlorosulfonyl)benzene-1-sulfonyl fluoride (CAS 2489-52-3), a certified reference material (molecular formula C6H4ClFO4S2, MW 258.67 g/mol) for analytical method development and quality control.
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), 3-(chlorosulfonyl)benzene-1-sulfonyl fluoride 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 | C6H4ClFO4S2 |
| Molecular Weight | 258.67 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, water |
| 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.) | 1957 |
| Halogen Content | F/Cl-containing |
| Sulfur Atoms | 2 |
Related chlorosulfonyl Standards
- 2-(Chlorosulfonyl)benzenesulfonyl fluoride (CAS 30672-70-9)
- 4-(Chlorosulfonyl)benzenesulfonyl Fluoride (CAS 30672-72-1)
- methyl 5-chlorosulfonyl-2-fluoro-benzoate (CAS 1094460-86-2)
- Methyl 3-(chlorosulfonyl)-5-cyanobenzoate (CAS 1393569-11-3)
- methyl 2-(chlorosulfonyl)-5-cyanobenzoate (CAS 1909316-62-6)
- 3-(Chlorosulfonyl)-4-fluorobenzoyl chloride (CAS 671-93-2)
- Ethyl 4-(chlorosulfonyl)piperazine-1-carboxylate (CAS 105168-69-2)
- 3-chlorosulfonyl-4-methoxybenzoic acid (CAS 50803-29-7)
Recommended Standards
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- 1-[8-chloro-6-(trifluoromethyl)-[1,2,4]triazolo[4,3-a]pyridin-3-yl]methanamine (CAS 900641-14-7)
- 5-(3-Chloro-4-fluorophenyl)-3-methyl-5-oxopentanoic acid (CAS 845781-48-8)
- 4-Chloro-3-fluoro-3-pyrrolidinomethyl benzophenone (CAS 898770-54-2)
- Benzyl N-(4-bromophenyl)-N-butylcarbamate (CAS 1881330-16-0)
- N1-((4-Hydroxytetrahydro-2H-pyran-4-yl)methyl)-N2-(2-(methylthio)phenyl)oxalamide (CAS 1351647-21-6)
- 2-(4-Fluorobenzyl)-8-(piperazin-1-yl)-[1,2,4]triazolo[4,3-a]pyrazin-3(2H)-one (CAS 1713173-86-4)
- 4,4,5,5-Tetramethyl-2-(phenoxathiin-4-yl)-1,3,2-dioxaborolane (CAS 2290561-93-0)
- Ethyl 4-(1,4-diazepan-1-yl)benzoate (CAS 234081-75-5)
- 9-Phenylacridine (CAS 602-56-2)
- Methyl 5-formylthiophene-2-carboxylate (CAS 67808-64-4)
- Thioctic acid Impurity 89 (Mixture of Isomers) (CAS CATO-C4X-152689)
- Experimental Allergic Encephalitogenic Peptide (CAS 29705-92-8)
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