4,4,5,5,6,6,6-Heptafluoro-1-(thiophen-2-yl)hexane-1,3-dione CAS 559-94-4
| CAS No. | 559-94-4 |
| Molecular Formula | C10H5F7O2S |
| Molecular Weight | 322.20 g/mol |
| 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.
4,4,5,5,6,6,6-Heptafluoro-1-(thiophen-2-yl)hexane-1,3-dione (CAS 559-94-4) is a high-purity analytical reference standard with the molecular formula C10H5F7O2S and a molecular weight of 322.20 g/mol.
4,4,5,5,6,6,6-Heptafluoro-1-(thiophen-2-yl)hexane-1,3-dione (C10H5F7O2S) contains a sulfone group, a carboxylic acid group, a hydroxyl group, an ether linkage, fluorine substitution, an aromatic ring system. Halogen substitution raises its density and boiling point, its high carbon-to-hydrogen ratio confers good lipid solubility, the carboxyl group imparts weak acidity; these physicochemical properties determine the optimal preparation and storage of its standard solutions. The high carbon-to-hydrogen ratio imparts good lipophilicity, allowing liquid-liquid extraction with non-polar solvents such as n-hexane or ethyl acetate.
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 | C10H5F7O2S |
| Molecular Weight | 322.20 g/mol |
| Purity | 97%+ |
| Storage | Store at room temperature |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; 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.) | 1957 |
| Halogen Content | F-containing |
| Sulfur Atoms | 1 |
Related Heptafluoro Standards
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- 6,6,7,7,8,8,8-Heptafluoro-2,2-dimethyloctane-3,5-dione (CAS 17587-22-3)
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