Quercetin-3,5,7,3',4'-pentamethyl ether CAS 1247-97-8
Purity >95%In StockPharmaceutical Standards
| CAS No. | 1247-97-8 |
| Molecular Formula | C20H20O7 |
| Molecular Weight | 372.37 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
High-purity Quercetin-3,5,7,3',4'-pentamethyl ether (CAS 1247-97-8) pharmaceutical standards reference standard. Molecular formula: C20H20O7. Molecular weight: 372.37 g/mol. Produced by CATO, one of China's leading reference material manufacturers, with COA documentation and global shipping.
Physical & Chemical Properties
| Molecular Formula | C20H20O7 |
| Molecular Weight | 372.37 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| Purity | >95% |
| Storage | Store at 2-8°C, 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) | 11.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1957 |
Related Quercetin Standards
- Quercetin 3-Sulfate (CAS 60889-05-6)
- 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)
- Quercetin-d3 (Major) (CAS 263711-79-1)
- Quercetin (CAS 117-39-5)
- Quercetin-3'-glucoside (CAS 19254-30-9)
- Quercetin-7-O-β-D-glucopyranoside (CAS 491-50-9)
Recommended Standards
- 2-(Acetoxymethoxy)-1,3-propanediyl-d5 Dibenzoate (CAS 1185159-39-0)
- 1,1'-(3-Methylene-3,4-dihydro-[1,1'-biphenyl]-4,4'-diyl)bis(1H-pyrrole-2,5-dione) (CAS 13360-85-5)
- Methyl 5-[(1Z)-1-(dimethylamino)-4-ethoxy-3,4-dioxobut-1-en-2-yl]-3-phenyl-1,2-oxazole-4-carboxylate (CAS 1164517-00-3)
- (S)-AMPA (CAS 83643-88-3)
- 4,4'-(Pyrene-1,6-diyl)dibenzonitrile (CAS 869340-10-3)
- 6-Bromo-1,2,3-benzothiadiazole (CAS 31860-02-3)
- Methyl 3-(hydroxymethyl)tetrahydro-1H-pyrrolizine-7a(5H)-carboxylate (CAS 1788873-92-6)
- n-(Thiazol-2-yl)-1h-benzo[d]imidazole-5-carboxamide (CAS 880854-96-6)
- N-(2-(N-(3-Isopropoxypropyl)sulfamoyl)ethyl)-4-methoxybenzamide (CAS 899739-50-5)
- Semaglutide impurity 261 (CAS CATO-C4X-2226261)
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