2-Fluoro-5-(phosphonomethyl)benzenesulfonic acid hydrate CAS 194041-55-9
| CAS No. | 194041-55-9 |
| Molecular Formula | C7H8FO6PS |
| Molecular Weight | N/A |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
2-Fluoro-5-(phosphonomethyl)benzenesulfonic acid hydrate (CAS 194041-55-9) is a high-purity analytical reference standard with the molecular formula C7H8FO6PSH2O and a molecular weight of 288.18 g/mol.
The molecular framework of 2-Fluoro-5-(phosphonomethyl)benzenesulfonic acid hydrate (C7H8FO6PSH2O) is characterized by a carbohydrate-derived structure, a sulfone group, a phosphate ester group, fluorine substitution. In reversed-phase chromatography, its retention is governed primarily by the polarity and ionization state of its functional groups, which provides a practical basis for HPLC-UV/DAD or LC-MS method development. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.
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 | C7H8FO6PS H2O |
| Molecular Weight | 288.18 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 | Hygroscopic; reseal immediately after opening; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 2.5 |
| CAS Registry Year (est.) | 2012 |
| Halogen Content | F-containing |
| Sulfur Atoms | 1 |
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