(2S,3R,4S,5R,6R)-5-Hydroxy-6-(hydroxymethyl)-2-methoxytetrahydro-2H-pyran-3,4-diyl diacetate CAS 29868-42-6
| CAS No. | 29868-42-6 |
| Molecular Formula | C11H18O8 |
| Molecular Weight | 278.26 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
As a certified reference material (CRM), (2S,3R,4S,5R,6R)-5-Hydroxy-6-(hydroxymethyl)-2-methoxytetrahydro-2H-pyran-3,4-diyl diacetate 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.
(2S,3R,4S,5R,6R)-5-Hydroxy-6-(hydroxymethyl)-2-methoxytetrahydro-2H-pyran-3,4-diyl diacetate (CAS 29868-42-6), molecular formula C11H18O8 and molecular weight 278.26 g/mol, is a CATO reference standard with documented purity and traceability.
(2S,3R,4S,5R,6R)-5-Hydroxy-6-(hydroxymethyl)-2-methoxytetrahydro-2H-pyran-3,4-diyl diacetate (C11H18O8) contains a carboxylic acid group, a hydroxyl group, an ether linkage. It is notably hygroscopic, the carboxyl group imparts weak acidity; these physicochemical properties determine the optimal preparation and storage of its standard solutions. The presence of an aromatic ring or conjugated system gives the compound characteristic absorption bands in the UV-Vis region, making it well suited to UV or diode-array detection (DAD).
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 | C11H18O8 |
| Molecular Weight | 278.26 g/mol |
| Purity | 97%+ |
| Storage | Store in a cool place (≤25°C), keep sealed and dry |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 3.0 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 1965 |
Recommended Standards
- (2R,3S,5R)-2-(Hydroxymethyl)-5-(5-nitro-1H-indol-1-yl)tetrahydrofuran-3-ol (CAS 191421-10-0)
- (2S,3R,4S,5S,6R)-3,4,5-Trihydroxy-6-(hydroxymethyl)tetrahydro-2H-pyran-2-yl 2-methyl-3-oxobutanoate (CAS 55018-21-8)
- 3,3',6,6'-Tetramethoxy-4,4'-bipyridazine (CAS 1799499-67-4)
- (E)-3-(2-Morpholino-5-nitrophenyl)-2-propenoic acid (CAS 300665-18-3)
- 2-(Dimethylamino)benzo[d]thiazol-6-yl 2-phenoxyacetate (CAS 953197-37-0)
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