2-(Chlorosulfonyl)benzenesulfonyl fluoride CAS 30672-70-9
| CAS No. | 30672-70-9 |
| Molecular Formula | C6H4ClFO4S2 |
| Molecular Weight | 258.67 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 258.67 g/mol gives 2-(Chlorosulfonyl)benzenesulfonyl fluoride distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
2-(Chlorosulfonyl)benzenesulfonyl fluoride (CAS 30672-70-9) is a high-purity analytical reference standard with the molecular formula C6H4ClFO4S2 and a molecular weight of 258.67 g/mol.
Based on its molecular formula C6H4ClFO4S2, 2-(Chlorosulfonyl)benzenesulfonyl 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 presence of an aromatic ring or conjugated system gives the compound characteristic absorption bands in the UV-Vis region, making it well suited to UV or diode-array detection (DAD).
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
As a certified reference material (CRM), 2-(Chlorosulfonyl)benzenesulfonyl 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.) | 1965 |
| Halogen Content | F/Cl-containing |
| Sulfur Atoms | 2 |
Related Chlorosulfonyl Standards
- 3-(chlorosulfonyl)benzene-1-sulfonyl fluoride (CAS 2489-52-3)
- 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
- 1-[8-chloro-6-(trifluoromethyl)-[1,2,4]triazolo[4,3-a]pyridin-3-yl]methanamine (CAS 900641-14-7)
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- 2-((4-chlorophenyl)ethynyl)-5-fluorobenzaldehyde (CAS 1939148-83-0)
- 6-Chloro-3,4-dihydro-4-methyl-3-oxo-2H-1,4-benzoxazine-8-carboxylic Acid-d3 Methyl Ester (CAS 1795029-57-0)
- 4-Methyl Erlotinib (CAS 1346601-52-2)
- Ethyl 4-((2,4-diethoxyphenyl)sulfonyl)piperazine-1-carboxylate (CAS 898650-63-0)
- 2,2,2-Trifluoro-1-(4-(4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl)piperazin-1-yl)ethan-1-one (CAS 1218791-39-9)
- 2-((2-((4-(4-Chlorophenyl)thiazol-2-yl)amino)-2-oxoethyl)thio)acetic acid (CAS 477867-80-4)
- 2,3,5,6-Tetrahydrodinaphtho[2,1-H:1,2-J][1,4,7]-trioxacycloundecine (CAS 128385-60-4)
- N-Cyclopropyl-5-(thiophen-2-yl)isoxazole-3-carboxamide (CAS 832115-62-5)
- Methyl 3-aminoimidazo[1,2-a]pyridine-7-carboxylate (CAS 1427392-00-4)
- 1,3-Diphenylguanidine Hydrobromide (CAS 93982-96-8)
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- CBP501 Affinity Peptide trifluoroacetate salt (CAS 1351804-17-5)
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