1-{(2'R,3'R)-4'-[(4-Chloro-1,1,2,2,3,3,4,4-octafluorobutyl)sulfonyl]-5'-methyl-2',3'-dihydro-2,3'-bifuran-2'-yl}ethanone CAS 771491-82-8
| CAS No. | 771491-82-8 |
| Molecular Formula | C15H11ClF8O5S |
| Molecular Weight | 490.75 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.
1-{(2'R,3'R)-4'-[(4-Chloro-1,1,2,2,3,3,4,4-octafluorobutyl)sulfonyl]-5'-methyl-2',3'-dihydro-2,3'-bifuran-2'-yl}ethanone (CAS 771491-82-8), molecular formula C15H11ClF8O5S and molecular weight 490.75 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, 1-{(2'R,3'R)-4'-[(4-Chloro-1,1,2,2,3,3,4,4-octafluorobutyl)sulfonyl]-5'-methyl-2',3'-dihydro-2,3'-bifuran-2'-yl}ethanone (C15H11ClF8O5S) contains a sulfone group, a carboxylic acid group, a hydroxyl group, an ether linkage, fluorine/chlorine substitution, an aromatic ring system. The molecule exhibits a degree of unsaturation (DBE) of 6.0, corresponding to approximately 6 ring(s) or double-bond equivalent(s). With a molecular weight of 490.75 g/mol, it falls into the moderately-high-molecular-weight range. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
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 | C15H11ClF8O5S |
| Molecular Weight | 490.75 g/mol |
| Purity | 97%+ |
| Storage | Store at room temperature, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 6.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1986 |
| Halogen Content | F/Cl-containing |
| Sulfur Atoms | 1 |
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