Quercetin-7-O-glucuronide CAS 38934-20-2
| CAS No. | 38934-20-2 |
| Molecular Formula | C21H18O13 |
| Molecular Weight | 478.36 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
As a certified reference material (CRM), Quercetin-7-O-glucuronide 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.
Quercetin-7-O-glucuronide (CAS 38934-20-2), molecular formula C21H18O13 and molecular weight 478.36 g/mol, is a CATO reference standard with documented purity and traceability.
Quercetin-7-O-glucuronide (C21H18O13) contains a flavonoid core, 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 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.
Physical & Chemical Properties
| Molecular Formula | C21H18O13 |
| Molecular Weight | 478.36 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| 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) | 13.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1968 |
Related Quercetin Standards
- Quercetin-3 '- O-glucuronide (CAS 328006-77-5)
- Quercetin-4 '- O-glucuronide (CAS 201463-36-7)
- Quercetin 3-O-β-D-glucuronide (CAS 22688-79-5)
- Quercetin-3'-glucoside (CAS 19254-30-9)
- Quercetin-7-O-β-D-glucopyranoside (CAS 491-50-9)
- 5041-68-9 Quercetin 3-arabinofuranoside (CAS 5041-68-9)
- Quercetin-3 -O-α-L-arabinoside (CAS 22255-13-6)
- Quercetin 3-O-β-D-xylopyranoside (CAS 549-32-6)
Recommended Standards
- ((3R,4R,5S)-5-(((2R,4R,5R)-2-(4-amino-7H-pyrrolo[2,3-d]pyrimidin-7-yl)-4-hydroxy-5-(hydroxymethyl)tetrahydrofuran-3-yl)oxy)-3,4-dihydroxytetrahydrofuran-2-yl)methyl dihydrogen phosphate (CAS 28050-13-7)
- Ethyl 4-[3-(3,4-dichlorobenzamido)phenoxy]-2-(methylsulfanyl)pyrimidine-5-carboxylate (CAS 478065-06-4)
- Ethyl 4-[3-(2,3-dichlorobenzamido)phenoxy]-2-(methylsulfanyl)pyrimidine-5-carboxylate (CAS 478065-26-8)
- 5,6-Dichloro-N-(2,4-dimethoxybenzyl)-N-(5-fluorothiazol-2-yl)pyridine-3-sulfonamide (CAS 2441749-97-7)
- 2-Chloro-n-[(4-methanesulfonylphenyl)methyl]acetamide (CAS 1247359-34-7)
- 3-Methyl-1-(p-tolyl)butan-1-amine hydrochloride (CAS 1219455-77-2)
- Lyalosidic acid (CAS 104821-27-4)
- N-(2-fluorobenzyl)-1-methylpyrrolidin-3-amine (CAS 1247640-98-7)
- 2-((3,4-Dichlorobenzyl)thio)-3-ethyl-5,6,7,8-tetrahydrobenzo[4,5]thieno[2,3-d]pyrimidin-4(3H)-one (CAS 351007-56-2)
- 2-(4-Bromo-6-methoxypyridin-2-yl)ethan-1-amine (CAS 1393573-70-0)
- 2-((3,4-Dichlorophenyl)carbamoyl)benzoic acid (CAS 19368-24-2)
- (R)-Methyl 2-((tert-butoxycarbonyl)amino)-3-(2,5-difluorophenyl)propanoate (CAS 837430-11-2)
- (1-((3,5-Dimethylisoxazol-4-yl)methyl)piperidin-4-yl)methanamine (CAS 1239777-91-3)
- FMRF Amide Related Peptide. (CAS 149471-12-5)
Why CATO?
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