(2R,3S,4R,5S,6S)-2-(2-chloroethoxy)-6-methyltetrahydro-2H-pyran-3,4,5-triol CAS 491593-36-3
| CAS No. | 491593-36-3 |
| Molecular Formula | C8H15ClO5 |
| Molecular Weight | 226.65 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
(2R,3S,4R,5S,6S)-2-(2-chloroethoxy)-6-methyltetrahydro-2H-pyran-3,4,5-triol (CAS 491593-36-3) is a high-purity analytical reference standard with the molecular formula C8H15ClO5 and a molecular weight of 226.65 g/mol.
Owing to a carboxylic acid group, a hydroxyl group, an ether linkage, chlorine substitution, (2R,3S,4R,5S,6S)-2-(2-chloroethoxy)-6-methyltetrahydro-2H-pyran-3,4,5-triol is typically white to off-white crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 226.65 g/mol — guide the selection of appropriate sample preparation and analytical techniques. 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.
CATO manufactures (2R,3S,4R,5S,6S)-2-(2-chloroethoxy)-6-methyltetrahydro-2H-pyran-3,4,5-triol under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C8H15ClO5 |
| Molecular Weight | 226.65 g/mol |
| 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, ethanol, DMSO |
| Stability | Hygroscopic; reseal immediately after opening; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 1.0 |
| CAS Registry Year (est.) | 2025 |
| Halogen Content | Cl-containing |
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Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
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