Quercetin 3-O-β-D-xylopyranoside CAS 549-32-6
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 549-32-6 |
| Molecular Formula | C20H18O11 |
| Molecular Weight | 434.35 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Quercetin 3-O-β-D-xylopyranoside (CAS 549-32-6) is a high-purity pharmaceutical standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C20H18O11. Molecular weight: 434.35 g/mol. Each batch is supplied with a Certificate of Analysis (COA).
Physical & Chemical Properties
| Molecular Formula | C20H18O11 |
| Molecular Weight | 434.35 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) | 12.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1957 |
Related Quercetin Standards
- 5041-68-9 Quercetin 3-arabinofuranoside (CAS 5041-68-9)
- Quercetin-3 -O-α-L-arabinoside (CAS 22255-13-6)
- Quercetin-3'-glucoside (CAS 19254-30-9)
- Quercetin-7-O-β-D-glucopyranoside (CAS 491-50-9)
- Quercetin-7-O-glucuronide (CAS 38934-20-2)
- 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)
Recommended Standards
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- Methyl (E)-3-(1-methyl-1H-pyrazol-5-yl)acrylate (CAS 1563651-10-4)
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- 1-Bromo-2-((methoxymethoxy)methyl)benzene (CAS 94236-21-2)
- (2E,3E)-1-{[1,1'-biphenyl]-4-yl}-2-[2-(2,5-dimethoxyphenyl)hydrazin-1-ylidene]-3-(methoxyimino)propan-1-one (CAS 866048-95-5)
- Autoinducing Peptide I trifluoroacetate salt (CAS 200010-29-3)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
- Worldwide shipping with full export documentation (HS code guidance available)
- Technical support: +86 13829788188 / jacky.chen@cato-chem.com