| CAS No. | 2621935-32-6 |
| Molecular Formula | C13H17F5O5S |
| Molecular Weight | 380.33 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
The occurrence of [5,6-difluoro-4-(trifluoromethylsulfonyloxy)-2-naphthyl] acetate is closely related to a sulfone group, a carboxylic acid group, a hydroxyl group, an ether linkage, fluorine substitution in its molecular formula, which determines its behaviour during synthesis, purification, or degradation.
[5,6-difluoro-4-(trifluoromethylsulfonyloxy)-2-naphthyl] acetate (CAS 2621935-32-6) is a high-purity analytical reference standard with the molecular formula C13H17F5O5S and a molecular weight of 380.33 g/mol.
The molecular framework of [5,6-difluoro-4-(trifluoromethylsulfonyloxy)-2-naphthyl] acetate (C13H17F5O5S) is characterized by a sulfone group, a carboxylic acid group, a hydroxyl group, an ether linkage, 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.
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), [5,6-difluoro-4-(trifluoromethylsulfonyloxy)-2-naphthyl] acetate 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.
| Molecular Formula | C13H17F5O5S |
| Molecular Weight | 380.33 g/mol |
| Purity | 97%+ |
| Storage | Store in a cool place (≤25°C), keep sealed and dry |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| 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) | 3.0 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 2001 |
| Halogen Content | F-containing |
| Sulfur Atoms | 1 |