Quercetin 3-Sulfate Potassium Salt CAS 121241-74-5
| CAS No. | 121241-74-5 |
| Molecular Formula | C15H9O10S |
| Molecular Weight | N/A |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Quercetin 3-Sulfate Potassium Salt (C15H9O10SK) contains a flavonoid core, a sulfone group, a hydroxyl group, an ether linkage. 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).
Quercetin 3-Sulfate Potassium Salt (CAS 121241-74-5), molecular formula C15H9O10SK and molecular weight 420.38 g/mol, is a CATO reference standard with documented purity and traceability.
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-Sulfate Potassium Salt 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 | C15H9O10S K |
| Molecular Weight | 420.38 g/mol |
| 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) | 11.5 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1991 |
| Sulfur Atoms | 1 |
Related Quercetin Standards
- Quercetin (CAS 117-39-5)
- Quercetin-3,5,7,3',4'-pentamethyl ether (CAS 1247-97-8)
- Quercetin-7-O-rutinoside (CAS 147714-62-3)
- Quercetin 3-O-Glucoside-7-O-Rhamnoside (CAS 18016-58-5)
- Quercetin-3-O-sophoroside (CAS 18609-17-1)
- Quercetin-3'-glucoside (CAS 19254-30-9)
- Quercetin-4 '- O-glucuronide (CAS 201463-36-7)
- Quercetin-3 -O-α-L-arabinoside (CAS 22255-13-6)
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