(2R,3R,4S,5S,6R)-2-(acetoxymethyl)-6-(benzylthio)tetrahydro-2H-pyran-3,4,5-triyl triacetate CAS 74590-46-8
| CAS No. | 74590-46-8 |
| Molecular Formula | C21H26O9S |
| Molecular Weight | 454.49 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
(2R,3R,4S,5S,6R)-2-(acetoxymethyl)-6-(benzylthio)tetrahydro-2H-pyran-3,4,5-triyl triacetate (CAS 74590-46-8), molecular formula C21H26O9S and molecular weight 454.49 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C21H26O9S, (2R,3R,4S,5S,6R)-2-(acetoxymethyl)-6-(benzylthio)tetrahydro-2H-pyran-3,4,5-triyl triacetate contains a flavonoid 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 454.49 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.
As a certified reference material (CRM), (2R,3R,4S,5S,6R)-2-(acetoxymethyl)-6-(benzylthio)tetrahydro-2H-pyran-3,4,5-triyl triacetate meets the metrological traceability requirements of ISO/IEC 17025 laboratories. Batch-to-batch consistency is monitored via control charts to guarantee comparable assigned values across lots.
Physical & Chemical Properties
| Molecular Formula | C21H26O9S |
| Molecular Weight | 454.49 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 |
| Degree of Unsaturation (DBE) | 9.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1978 |
| Sulfur Atoms | 1 |
Recommended Standards
- Candesartan Cilexetil EP Impurity I (CAS 139481-69-9)
- (2R,3R,4S,5S,6R)-2-(acetoxymethyl)-6-(p-tolylthio)tetrahydro-2H-pyran-3,4,5-triyl triacetate (CAS 211801-79-5)
- Dabigatran Impurity 43 (CAS 212322-77-5)
- (2R,3R,4S,5S,6S)-2-(acetoxymethyl)-6-(p-tolylthio)tetrahydro-2H-pyran-3,4,5-triyl triacetate (CAS 358681-69-3)
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