4-[(DIFLUOROMETHYL)SULFONYL]BENZENESULFONYL CHLORIDE CAS 923204-51-7
| CAS No. | 923204-51-7 |
| Molecular Formula | C7H5ClF2O4S2 |
| Molecular Weight | 290.69 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
The occurrence of 4-[(DIFLUOROMETHYL)SULFONYL]BENZENESULFONYL CHLORIDE is closely related to a sulfone group, a carboxylic acid group, a hydroxyl group, an ether linkage, fluorine/chlorine substitution, an aromatic ring system in its molecular formula, which determines its behaviour during synthesis, purification, or degradation.
CATO supplies 4-[(DIFLUOROMETHYL)SULFONYL]BENZENESULFONYL CHLORIDE (CAS 923204-51-7), a certified reference material (molecular formula C7H5ClF2O4S2, MW 290.69 g/mol) for analytical method development and quality control.
Structurally, 4-[(DIFLUOROMETHYL)SULFONYL]BENZENESULFONYL CHLORIDE (C7H5ClF2O4S2) 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 290.69 g/mol, it falls into the medium-molecular-weight range. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.
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.
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 | C7H5ClF2O4S2 |
| Molecular Weight | 290.69 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.) | 1987 |
| Halogen Content | F/Cl-containing |
| Sulfur Atoms | 2 |
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Recommended Standards
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- 2-chloro-5,7-dimethyl-7H-pyrrolo[2,3-d]pyrimidine (CAS 1638772-13-0)
- (Z)-N'-hydroxy-3-nitrobenzimidamide (CAS 1699858-76-8)
- 5-Amino-3-ethylbenzo[d]oxazol-2(3h)-one (CAS 1017120-09-0)
- tert-Butyl 5-fluoro-3-iodo-1H-pyrrolo[2,3-b]pyridine-1-carboxylate (CAS 928653-78-5)
- Nebivolol EP Impurity B (CAS CATO-C4X-196847)
- Semaglutide Impurity 166 (CAS 1395881-03-4)
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