5,7-Dihydroxy-3-methoxy-2-(4-methoxyphenyl)-4H-chromen-4-one CAS 20869-95-8
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 20869-95-8 |
| Molecular Formula | C17H14O6 |
| Molecular Weight | 314.29 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies 5,7-Dihydroxy-3-methoxy-2-(4-methoxyphenyl)-4H-chromen-4-one (CAS 20869-95-8), a pharmaceutical standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C17H14O6. Molecular weight: 314.29 g/mol. Batch-specific COA and technical support are available on request.
Physical & Chemical Properties
| Molecular Formula | C17H14O6 |
| Molecular Weight | 314.29 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| Purity | 97%+ |
| 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.) | 1962 |
Related Dihydroxy Standards
- 5,4'-Dihydroxy-7,3'-dimethoxyisoflavone (CAS 104668-88-4)
- 1,4-Dihydroxy-5,8-dimethoxy-2-methylanthracene-9,10-dione (CAS 108971-90-0)
- 3,5-Dihydroxy-7-methoxy-2-(4-methoxyphenyl)-4H-chromen-4-one (CAS 15486-33-6)
- 1,6-Dihydroxy-5-methoxy-2-(methoxymethyl)anthracene-9,10-dione (CAS 877238-55-6)
- 3,7-Dihydroxy-3',4'-dimethoxyflavone (CAS 93322-61-3)
- 5,3’-Dihydroxy-7,4’-dimethoxyflavone (CAS 32174-62-2)
- 5,7-dihydroxy-6,8-dimethoxy-2-phenyl-4H-chromen-4-one (CAS 3162-45-6)
- 1-(2,4-dihydroxy-6-methoxy-3-methylphenyl)-3-(4-methoxyphenyl)prop-2-en-1-one (CAS 109471-13-8)
Recommended Standards
- 5-(Hydroxymethyl)-1-((3aR,4R,6R,6aR)-6-(hydroxymethyl)-2,2-dimethyltetrahydrofuro[3,4-d][1,3]dioxol-4-yl)pyrimidine-2,4(1H,3H)-dione (CAS 3816-77-1)
- 5-Hydroxy-2-(4-hydroxy-3-methoxyphenyl)-7-methoxy-4H-chromen-4-one (CAS 25739-41-7)
- 4,4'-Bi(1,2-naphthoquinone) (CAS 64517-67-5)
- N4,N4'-bis(2-ethyl-6-methylphenyl)-N4,N4'-bis(4-(4-methylstyryl)phenyl)-[1,1'-biphenyl]-4,4'-diamine (CAS 1874163-33-3)
- 1,2,3-thiadiazole-4-carboxamide (CAS 4100-20-3)
- 1-(Furan-2-carbonyl)-N-methylpiperidine-4-carboxamide (CAS 897743-78-1)
- Ethyl 3-(4-Amino-3-pyridyl)acrylate (CAS 104830-01-5)
- 2-(2-Chloro-5-methylphenoxy)-N-(2-cyanoethyl)-N-methylacetamide (CAS 1095168-21-0)
- (Z)-((4-Methoxybuta-1,3-dien-2-yl)oxy)trimethylsilane (CAS 124306-13-4)
- Semaglutide Impurity 3 (CAS CATO-C4X-22263)
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