(S)-(2R,3S)-2-(3,4-Dihydroxyphenyl)-5,7-dihydroxychroman-3-yl 5-(3,4-dihydroxyphenyl)-3-hydroxypentanoate CAS 98570-83-3
| CAS No. | 98570-83-3 |
| Molecular Formula | C26H26O10 |
| Molecular Weight | 498.48 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
(S)-(2R,3S)-2-(3,4-Dihydroxyphenyl)-5,7-dihydroxychroman-3-yl 5-(3,4-dihydroxyphenyl)-3-hydroxypentanoate (CAS 98570-83-3) is a high-purity analytical reference standard with the molecular formula C26H26O10 and a molecular weight of 498.48 g/mol.
The molecular framework of (S)-(2R,3S)-2-(3,4-Dihydroxyphenyl)-5,7-dihydroxychroman-3-yl 5-(3,4-dihydroxyphenyl)-3-hydroxypentanoate (C26H26O10) is characterized by a carboxylic acid group, a hydroxyl group, an ether linkage, a polycyclic aromatic system. 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.
The assigned purity is verified by mass-balance and quantitative NMR (qNMR) approaches, with the expanded uncertainty reported at a 95% confidence level (k=2). Batch homogeneity and stability are independently assessed for every lot.
Physical & Chemical Properties
| Molecular Formula | C26H26O10 |
| Molecular Weight | 498.48 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) | 14.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1985 |
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