4,5,5,5-Tetrafluoro-4-(trifluoromethoxy)pentanoic acid CAS 243139-58-4
| CAS No. | 243139-58-4 |
| Molecular Formula | C6H5F7O3 |
| Molecular Weight | 258.09 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies 4,5,5,5-Tetrafluoro-4-(trifluoromethoxy)pentanoic acid (CAS 243139-58-4), a certified reference material (molecular formula C6H5F7O3, MW 258.09 g/mol) for analytical method development and quality control.
Owing to a carboxylic acid group, a hydroxyl group, an ether linkage, fluorine substitution, 4,5,5,5-Tetrafluoro-4-(trifluoromethoxy)pentanoic acid is typically white to off-white crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 258.09 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.
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), 4,5,5,5-Tetrafluoro-4-(trifluoromethoxy)pentanoic 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 | C6H5F7O3 |
| Molecular Weight | 258.09 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.) | 2025 |
| Halogen Content | F-containing |
Related Tetrafluoro Standards
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- 2,2',6,6'-Tetrafluoro-[1,1'-biphenyl]-4,4'-diol (CAS 76463-15-5)
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Recommended Standards
- 3-Bromothieno[2,3-b]pyridine-2-carboxylic acid (CAS 72832-25-8)
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- 3-Bromo-N-cyclopropyl-4-fluorobenzamide (CAS 639858-63-2)
- 5-Bromo-4-fluoro-3,3-dimethylindolin-2-one (CAS 872141-28-1)
- tert-Butyl (4-chloro-3-methoxy-1-oxo-1H-isochromen-7-yl)carbamate (CAS 1422968-79-3)
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- 6-Methoxyquinolin-3-ol (CAS 77421-36-4)
- 2-(M-tolylamino)butanehydrazide (CAS 1306738-21-5)
- Venetoclax Impurity 81 (CAS CATO-C4X-249581)
- 2,5,8,11,14,17,20,23-Octaoxahexacosan-26-oic Acid (CAS 1093647-41-6)
- CAS CATO-C3D-262832 (CAS CATO-C3D-262832)
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- Tirzepatide Impurity 10 (CAS CATO-C4X-324010)
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