((2R,3S,4S,5R,6S)-5-(benzoyloxy)-3,4-dihydroxy-6-methoxytetrahydro-2H-pyran-2-yl)methyl benzoate CAS 26927-44-6
| CAS No. | 26927-44-6 |
| Molecular Formula | C21H22O8 |
| Molecular Weight | 402.39 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
((2R,3S,4S,5R,6S)-5-(benzoyloxy)-3,4-dihydroxy-6-methoxytetrahydro-2H-pyran-2-yl)methyl benzoate (CAS 26927-44-6) is a high-purity analytical reference standard with the molecular formula C21H22O8 and a molecular weight of 402.39 g/mol.
The molecular framework of ((2R,3S,4S,5R,6S)-5-(benzoyloxy)-3,4-dihydroxy-6-methoxytetrahydro-2H-pyran-2-yl)methyl benzoate (C21H22O8) is characterized by a flavonoid core, a hydroxyl group, an ether linkage. In reversed-phase chromatography, its retention is governed primarily by the polarity and ionization state of its functional groups, which provides a practical basis for HPLC-UV/DAD or LC-MS method development. 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,3S,4S,5R,6S)-5-(benzoyloxy)-3,4-dihydroxy-6-methoxytetrahydro-2H-pyran-2-yl)methyl benzoate 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 | C21H22O8 |
| Molecular Weight | 402.39 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| 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) | 11.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1964 |
Recommended Standards
- 4-(4-(Morpholinosulfonyl)phenoxy)-3-(trifluoromethyl)aniline (CAS 1858251-05-4)
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- 2-[(2,4-Difluorophenyl)methyl]-4-(5-ethyl-1,2,4-oxadiazol-3-yl)-1H,2H,3H,5H,6H,7H,8H,9H-pyrimido[1,6-a]azepine-1,3-dione (CAS 1775421-38-9)
- (2S,3R,4S,5R,6R)-2-(((3R,4R,5R,6R)-6-(benzyloxy)-4,5-dihydroxytetrahydro-2h-pyran-3-yl)oxy)-6-(Hydroxymethyl)tetrahydro-2h-pyran-3,4,5-triol (CAS 67412-74-2)
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- 4-(1-(1H-Benzo[d][1,2,3]triazol-1-yl)-2-methylpropyl)morpholine (CAS 122668-90-0)
- Semaglutide Impurity 190 (CAS CATO-C4X-2226190)
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