(2R,3S,4R,5R,6S)-3,4,5-Tris(benzyloxy)-2-(ethylthio)-6-methyltetrahydro-2H-pyran CAS 99409-34-4
| CAS No. | 99409-34-4 |
| Molecular Formula | C29H34O4S |
| Molecular Weight | 478.64 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
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.
(2R,3S,4R,5R,6S)-3,4,5-Tris(benzyloxy)-2-(ethylthio)-6-methyltetrahydro-2H-pyran (CAS 99409-34-4) is a high-purity analytical reference standard with the molecular formula C29H34O4S and a molecular weight of 478.64 g/mol.
Based on its molecular formula C29H34O4S, (2R,3S,4R,5R,6S)-3,4,5-Tris(benzyloxy)-2-(ethylthio)-6-methyltetrahydro-2H-pyran contains a steroid core, a sulfone group, a hydroxyl group, an ether linkage; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 478.64 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C29H34O4S |
| Molecular Weight | 478.64 g/mol |
| Purity | 97%+ |
| Storage | Store at room temperature, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 13.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1985 |
| Sulfur Atoms | 1 |
Recommended Standards
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