(2S,3S,4S,5R,6R)-2-(iodomethyl)-6-methoxytetrahydro-2H-pyran-3,4,5-triyl triacetate CAS 7511-38-8
| CAS No. | 7511-38-8 |
| Molecular Formula | C13H19IO8 |
| Molecular Weight | 430.19 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
(2S,3S,4S,5R,6R)-2-(iodomethyl)-6-methoxytetrahydro-2H-pyran-3,4,5-triyl triacetate (CAS 7511-38-8), molecular formula C13H19IO8 and molecular weight 430.19 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C13H19IO8, (2S,3S,4S,5R,6R)-2-(iodomethyl)-6-methoxytetrahydro-2H-pyran-3,4,5-triyl triacetate contains a carboxylic acid group, a hydroxyl group, an ether linkage, iodine substitution, an aromatic ring system; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 430.19 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.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
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 | C13H19IO8 |
| Molecular Weight | 430.19 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 |
| 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.) | 1959 |
| Halogen Content | I-containing |
Recommended Standards
- Estradiol Impurity 43 (CAS 19590-55-7)
- (2S,3S,4S,5R,6S)-2-(iodomethyl)-6-methoxytetrahydro-2H-pyran-3,4,5-triyl triacetate (CAS 6304-96-7)
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