3,5-Dichloro-benzenesulfonyl fluoride CAS 705-22-6
| CAS No. | 705-22-6 |
| Molecular Formula | C6H3Cl2FO2S |
| Molecular Weight | 229.06 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Structurally, 3,5-Dichloro-benzenesulfonyl fluoride (C6H3Cl2FO2S) 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 229.06 g/mol, it falls into the medium-molecular-weight range. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
3,5-Dichloro-benzenesulfonyl fluoride (CAS 705-22-6), molecular formula C6H3Cl2FO2S and molecular weight 229.06 g/mol, is a CATO reference standard with documented purity and traceability.
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), 3,5-Dichloro-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 | C6H3Cl2FO2S |
| Molecular Weight | 229.06 g/mol |
| Purity | 97%+ |
| Storage | Store at room temperature, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | May oxidize slowly on prolonged air exposure; 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 | 1 |
Related Dichloro Standards
- 3,5-Dichloro-N-(cyanomethyl)benzamide (CAS 100479-58-1)
- 2,3-Dichloro-2,3-dihydronaphthalene-1,4-dione (CAS 1013-00-9)
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- 6,8-Dichloro-2h-chromene-3-carbaldehyde (CAS 126350-18-3)
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Recommended Standards
- 3,4-Dichloro-N-(cyanomethyl)benzamide (CAS 22198-20-5)
- 3-Amino-5,7-dichloroquinolin-8-ol (CAS 648896-75-7)
- 3,4-dichloro-5-phenyl-2(5H)-furanone (CAS 72857-85-3)
- 3-Chloro-2-(chloromethyl)-4H-pyrido[1,2-a]pyrimidin-4-one (CAS 87779-03-1)
- 5-Bromo-2-(2-oxo-2-(phenethylamino)ethoxy)benzoic acid (CAS 835891-58-2)
- (5-Aminopyridin-3-yl)(2-methylpiperidin-1-yl)methanone (CAS 1706465-16-8)
- 15-Methylhexadeca Sphinganine 26048-10-2 D-erythro- 2-Amino-15-methyl-1,3-hexadecanediol D-erythro-C17-iso-Sphinganine [R-(R*,S*)]-2-Amino-15-methyl-1,3-hexadecanediol (CAS 26048-10-2)
- 2-(5-Amino-4-phenyl-1h-imidazol-1-yl)acetamide (CAS 1235438-82-0)
- 1-(1-benzothiophen-2-yl)ethan-1-amine (CAS 165737-36-0)
- (S)-3-Amino-3-(pyrimidin-4-yl)propanamide (CAS 1344925-88-7)
- 6-Bromo-5-fluoro-1H-pyrrolo[2,3-b]pyridine (CAS 1190321-99-3)
- 3-(3-Chloro-4-fluorophenyl)-1-propene (CAS 121626-73-1)
- 1-(tert-Butyl) 2-(4-methoxybenzyl) 4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrrole-1,2-dicarboxylate (CAS 2377607-06-0)
- Semaglutide impurity 42 (CAS CATO-C4X-222642)
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