3,4-Difluoro-2-formylbenzenesulfonic acid CAS 887586-17-6
| CAS No. | 887586-17-6 |
| Molecular Formula | C7H4F2O4S |
| Molecular Weight | 222.17 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 222.17 g/mol gives 3,4-Difluoro-2-formylbenzenesulfonic acid distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
CATO supplies 3,4-Difluoro-2-formylbenzenesulfonic acid (CAS 887586-17-6), a certified reference material (molecular formula C7H4F2O4S, MW 222.17 g/mol) for analytical method development and quality control.
Structurally, 3,4-Difluoro-2-formylbenzenesulfonic acid (C7H4F2O4S) contains a sulfone group, a carboxylic acid group, a hydroxyl group, an ether linkage, fluorine substitution, an aromatic ring system. The molecule exhibits a degree of unsaturation (DBE) of 5.0, corresponding to approximately 5 ring(s) or double-bond equivalent(s). With a molecular weight of 222.17 g/mol, it falls into the medium-molecular-weight range. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
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), 3,4-Difluoro-2-formylbenzenesulfonic acid 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 | C7H4F2O4S |
| Molecular Weight | 222.17 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) | 5.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1987 |
| Halogen Content | F-containing |
| Sulfur Atoms | 1 |
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- 2-(3-Chloro-5-(trifluoromethyl)pyridin-2-yl)-N-methylpropanamide (CAS 339010-49-0)
- 6-Bromo-2-(bromomethyl)benzaldehyde (CAS 1261581-83-2)
- 4-Bromo-5-cyano-2-ethylbenzene-1-sulfonyl chloride (CAS 1807161-54-1)
- 1',5-Dimethylspiro[indoline-3,4'-piperidine] (CAS 1186495-62-4)
- Ribociclib Impurity 27 (CAS 1298101-40-2)
- Semaglutide impurity 26 (CAS CATO-C4X-222626)
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