| CAS No. | 32727-29-0 |
| Molecular Formula | C21H24O9 |
| Molecular Weight | 420.41 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Compared with other compounds in its class, the molecular weight of 420.41 g/mol gives (2S,3R,4S,5S,6R)-2-(3-Hydroxy-5-((E)-4-hydroxy-3-methoxystyryl)phenoxy)-6-(hydroxymethyl)tetrahydro-2H-pyran-3,4,5-triol distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
(2S,3R,4S,5S,6R)-2-(3-Hydroxy-5-((E)-4-hydroxy-3-methoxystyryl)phenoxy)-6-(hydroxymethyl)tetrahydro-2H-pyran-3,4,5-triol (CAS 32727-29-0), molecular formula C21H24O9 and molecular weight 420.41 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, (2S,3R,4S,5S,6R)-2-(3-Hydroxy-5-((E)-4-hydroxy-3-methoxystyryl)phenoxy)-6-(hydroxymethyl)tetrahydro-2H-pyran-3,4,5-triol (C21H24O9) contains a flavonoid core, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 10.0, corresponding to approximately 10 ring(s) or double-bond equivalent(s). With a molecular weight of 420.41 g/mol, it falls into the moderately-high-molecular-weight range. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
This reference standard is suitable for quantitative analysis on major chromatographic platforms including HPLC, GC, LC-MS/MS, and GC-MS, serving as an external calibration standard or a system suitability test reference material.
CATO manufactures (2S,3R,4S,5S,6R)-2-(3-Hydroxy-5-((E)-4-hydroxy-3-methoxystyryl)phenoxy)-6-(hydroxymethyl)tetrahydro-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.
| Molecular Formula | C21H24O9 |
| Molecular Weight | 420.41 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) | 10.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1966 |