2-Chloro-1-fluoro-4-(methylsulfonyl)benzene CAS 847148-17-8
| CAS No. | 847148-17-8 |
| Molecular Formula | C7H6ClFO2S |
| Molecular Weight | 208.64 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
As a certified reference material (CRM), 2-Chloro-1-fluoro-4-(methylsulfonyl)benzene 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.
2-Chloro-1-fluoro-4-(methylsulfonyl)benzene (CAS 847148-17-8), molecular formula C7H6ClFO2S and molecular weight 208.64 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, 2-Chloro-1-fluoro-4-(methylsulfonyl)benzene (C7H6ClFO2S) 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 208.64 g/mol, it falls into the medium-molecular-weight range. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
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.
Physical & Chemical Properties
| Molecular Formula | C7H6ClFO2S |
| Molecular Weight | 208.64 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.) | 1987 |
| Halogen Content | F/Cl-containing |
| Sulfur Atoms | 1 |
Related Chloro Standards
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- Ethyl 2-[5-(methylamino)-3h-imidazo[4,5-b]pyridin-2-yl]acetate (CAS 1507825-37-7)
- tert-Butyl (2-(6-methoxypyridin-2-yl)ethyl)carbamate (CAS 2205310-32-1)
- 7-Fluoro-2-methylimidazo[1,2-a]pyridine-3-carboxylic acid (CAS 1159831-72-7)
- 4-(5-Nitrothiazol-2-yl)pyrazolidine-3,5-dione (CAS 144316-58-5)
- 2-(Difluoromethyl)-5-methoxy-3-methylpyridine-4-carboxylic acid (CAS 1806989-91-2)
- 1-Methyl-3-phenylpiperidin-4-one (CAS 3881-28-5)
- Insulin Degludec Impurity 2 (CAS CATO-C4X-21572)
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