(2S,3S,4R,5R,6S)-3-fluoro-6-methyltetrahydro-2H-pyran-2,4,5-triyl triacetate CAS 74554-12-4
| CAS No. | 74554-12-4 |
| Molecular Formula | C12H17FO7 |
| Molecular Weight | 292.26 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.
(2S,3S,4R,5R,6S)-3-fluoro-6-methyltetrahydro-2H-pyran-2,4,5-triyl triacetate (CAS 74554-12-4) is a high-purity analytical reference standard with the molecular formula C12H17FO7 and a molecular weight of 292.26 g/mol.
Based on its molecular formula C12H17FO7, (2S,3S,4R,5R,6S)-3-fluoro-6-methyltetrahydro-2H-pyran-2,4,5-triyl triacetate contains a carboxylic acid group, a hydroxyl group, an ether linkage, fluorine substitution, an aromatic ring system; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 292.26 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.
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 | C12H17FO7 |
| Molecular Weight | 292.26 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (slight halide-like odor) |
| 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, 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) | 4.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1978 |
| Halogen Content | F-containing |
Recommended Standards
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