4-Trifluoromethanesulfonylbenzene-1-sulfonyl chloride CAS 63647-64-3
| CAS No. | 63647-64-3 |
| Molecular Formula | C7H4ClF3O4S2 |
| Molecular Weight | 308.68 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Based on its molecular formula C7H4ClF3O4S2, 4-Trifluoromethanesulfonylbenzene-1-sulfonyl chloride 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 308.68 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.
4-Trifluoromethanesulfonylbenzene-1-sulfonyl chloride (CAS 63647-64-3), molecular formula C7H4ClF3O4S2 and molecular weight 308.68 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-Trifluoromethanesulfonylbenzene-1-sulfonyl chloride 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 | C7H4ClF3O4S2 |
| Molecular Weight | 308.68 g/mol |
| Purity | 97%+ |
| Storage | Store in a cool place (≤25°C), keep sealed and dry |
| 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.) | 1975 |
| Halogen Content | F/Cl-containing |
| Sulfur Atoms | 2 |
Related Trifluoromethanesulfonylbenzene Standards
Recommended Standards
- Methyl 2-((2-chloro-5-nitropyrimidin-4-yl)amino)benzoate (CAS 66427-76-7)
- 2-Chloro-N-methyl-N-(2-oxo-2-((2-(trifluoromethyl)phenyl)amino)ethyl)acetamide (CAS 744227-38-1)
- N-{4-[(6-Chloro-5-nitro-4-pyrimidinyl)oxy]phenyl}acetamide (CAS 860787-22-0)
- 1-[3-chloro-5-(trifluoromethyl)pyridin-2-yl]piperidine-4-carboxylic acid (CAS 337919-65-0)
- 3-(4-Chlorophenyl)-4-(methylsulfonyl)-1H-pyrrole (CAS 87388-59-8)
- 61626-05-9 1,2,4,5-Tetrazine, 3,6-dihydro- DTXSID40210641 (CAS 61626-05-9)
- N,N,4-Trimethyl-4H-1,2,4-triazol-3-amine (CAS 500884-63-9)
- [4-(Aminomethyl)piperidin-1-yl](pyridin-2-yl)methanone dihydrochloride (CAS 1349718-61-1)
- 6-Hydroxy-2,3-dihydrobenzofuran-2-carboxylic acid (CAS 1315374-50-5)
- 5-(Piperidin-1-yl)-1H-1,2,4-triazol-3(2H)-one (CAS 685121-05-5)
- (E)-3-(4-fluoro-3-(trifluoromethoxy)phenyl)acrylic acid (CAS 886501-38-8)
- Ethyl 3-aminodecanoate (CAS 854825-19-7)
- (2E,4E)-Hexa-2,4-dien-1-yl acetate (CAS 57006-69-6)
- Semaglutide impurity 56 (CAS CATO-C4X-222656)
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