4-(Chlorosulfonyl)benzenesulfonyl Fluoride CAS 30672-72-1
| CAS No. | 30672-72-1 |
| Molecular Formula | C6H4ClFO4S2 |
| Molecular Weight | 258.67 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Structurally, 4-(Chlorosulfonyl)benzenesulfonyl Fluoride (C6H4ClFO4S2) contains a sulfone group, a carboxylic acid group, a hydroxyl group, an ether linkage, fluorine/chlorine substitution, an aromatic ring system. The molecule exhibits a degree of unsaturation (DBE) of 4.0, corresponding to approximately 4 ring(s) or double-bond equivalent(s). With a molecular weight of 258.67 g/mol, it falls into the medium-molecular-weight range. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
4-(Chlorosulfonyl)benzenesulfonyl Fluoride (CAS 30672-72-1), molecular formula C6H4ClFO4S2 and molecular weight 258.67 g/mol, is a CATO reference standard with documented purity and traceability.
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), 4-(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
- 2-(Chlorosulfonyl)benzenesulfonyl fluoride (CAS 30672-70-9)
- 3-(chlorosulfonyl)benzene-1-sulfonyl fluoride (CAS 2489-52-3)
- 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
- 4-chloro-6-methyl-2-(2,2,2-trifluoroethyl)pyrazolo[3,4-d]pyrimidine (CAS 2163771-92-2)
- 2-chloro-5-(trifluoromethyl)quinazolin-8-ol (CAS 953040-23-8)
- 5-(3-Chloro-4-fluorophenyl)-3-methyl-5-oxopentanoic acid (CAS 845781-48-8)
- 5-(3-Chloro-5-fluorophenyl)-3-methyl-5-oxopentanoic acid (CAS 845781-49-9)
- 2-Oxo-1,2,3,4-tetrahydroquinoline-3-carbonitrile (CAS 106073-17-0)
- 2-(1-Benzylpiperidin-3-yl)ethanamine (CAS 1083181-70-7)
- 3-[(2,3-Dimethylphenyl)amino]-3-oxo-proponic Acid Ethyl Ester (CAS 104330-55-4)
- Methyl 5-Cyclopropylisoxazole-3-carboxylate (CAS 887360-91-0)
- [1-(2-Methylpropyl)-1H-indazol-5-yl]boronic acid (CAS 753926-68-0)
- 2-Methyl-5-(trifluoromethyl)-1H-pyrrolo[3,2-b]pyridine (CAS 1190311-87-5)
- 4-Bromothiobenzamide (CAS 26197-93-3)
- 1-Phenyl-N-(prop-2-yn-1-yl)piperidin-4-amine (CAS 1598116-03-0)
- (S)-1-(1,2,3,4-tetrahydroquinolin-7-yl)ethan-1-amine (CAS 2387568-83-2)
- Fibrinopeptide A (human) (CAS 25422-31-5)
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