4-Deoxy-4,4-difluoro-D-ribo-hexitol CAS 685516-98-7
| CAS No. | 685516-98-7 |
| Molecular Formula | C6H10F2O5 |
| Molecular Weight | 200.14 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
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.
CATO supplies 4-Deoxy-4,4-difluoro-D-ribo-hexitol (CAS 685516-98-7), a certified reference material (molecular formula C6H10F2O5, MW 200.14 g/mol) for analytical method development and quality control.
Owing to a carbohydrate-derived structure, fluorine substitution, 4-Deoxy-4,4-difluoro-D-ribo-hexitol is typically white to off-white crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 200.14 g/mol — guide the selection of appropriate sample preparation and analytical techniques. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.
As a certified reference material (CRM), 4-Deoxy-4,4-difluoro-D-ribo-hexitol 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 | C6H10F2O5 |
| Molecular Weight | 200.14 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) | 1.0 |
| CAS Registry Year (est.) | 1985 |
| Halogen Content | F-containing |
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Recommended Standards
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- 3-(4-Bromobenzenesulfonyl)-N-(2,4-dichlorophenyl)-2-hydroxy-2-methylpropanamide (CAS 339275-78-4)
- 2-(2,3-Dimethylbenzofuran-5-yl)acetonitrile (CAS 3782-07-8)
- Fmoc-NH-PEG4-alcohol (CAS 868594-41-6)
- 1-Chloro-3-methylbutan-2-one (CAS 17687-63-7)
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- Semaglutide Impurity 146 (CAS 2645421-68-5)
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