| CAS No. | 55696-57-6 |
| Molecular Formula | C33H40O20 |
| Molecular Weight | 756.66 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Compared with other compounds in its class, the molecular weight of 756.66 g/mol gives Quercetin 3-O-rutinoside-(1→2)-O-rhamnoside distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
Quercetin 3-O-rutinoside-(1→2)-O-rhamnoside (CAS 55696-57-6), molecular formula C33H40O20 and molecular weight 756.66 g/mol, is a CATO reference standard with documented purity and traceability.
The molecular framework of Quercetin 3-O-rutinoside-(1→2)-O-rhamnoside (C33H40O20) 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.
As a certified reference material (CRM), Quercetin 3-O-rutinoside-(1→2)-O-rhamnoside 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.
| Molecular Formula | C33H40O20 |
| Molecular Weight | 756.66 g/mol |
| Purity | >95% |
| 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.) | 1972 |