3-Hydroxy-7,8-dimethoxy-2-(4-methoxyphenyl)-4H-chromen-4-one CAS 57499-06-6
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 57499-06-6 |
| Molecular Formula | C18H16O6 |
| Molecular Weight | 328.32 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies 3-Hydroxy-7,8-dimethoxy-2-(4-methoxyphenyl)-4H-chromen-4-one (CAS 57499-06-6), a pharmaceutical standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C18H16O6. Molecular weight: 328.32 g/mol. Batch-specific COA and technical support are available on request.
Physical & Chemical Properties
| Molecular Formula | C18H16O6 |
| Molecular Weight | 328.32 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.) | 1973 |
Related Hydroxy Standards
- 3-Hydroxy-7,8,3'-trimethoxyflavone (CAS 1017060-12-6)
- 2-(4-Hydroxy-3-methoxyphenyl)-5,7-dimethoxy-4H-chromen-4-one (CAS 1239-68-5)
- (2Z)-6-Hydroxy-2-(2,3,4-trimethoxybenzylidene)-1-benzofuran-3(2H)-one (CAS 1638956-60-1)
- 3-Hydroxy-2-(naphtho[2,1-b]furan-2-yl)-4H-chromen-4-one (CAS 353497-65-1)
- 3'-Hydroxy-5,7,4'-trimethoxyflavone (CAS 33554-52-8)
- 5-Hydroxy-3',4',7-trimethoxyflavone (CAS 29080-58-8)
- 6-Hydroxy-2-[(2,3,4-trimethoxyphenyl)methylidene]-2,3-dihydro-1-benzofuran-3-one (CAS 256531-53-0)
- 6-Hydroxy-2-[(2,4,5-trimethoxyphenyl)methylidene]-2,3-dihydro-1-benzofuran-3-one (CAS 256531-54-1)
Recommended Standards
- 3-Methyl-6-(phenanthren-9-yl)furo[3,2-b]furan-2,5-dione (CAS 918413-56-6)
- 4-[2-(2,6-dioxo-3-piperidyl)-1,3-dioxo-isoindolin-4-yl]butanal (CAS 2503018-11-7)
- 3-[(3-nitrophenyl)sulfamoyl]thiophene-2-carboxylic acid (CAS 850635-41-5)
- 5-Methoxyspiro[2.3]hexan-1-amine hydrochloride (CAS 2137780-65-3)
- Ioxynil (CAS 1689-83-4)
- 3,4-Dichloro-N-methoxy-N-methylbenzamide (CAS 200802-01-3)
- Tucatinib Impurity 7 (CAS CATO-C4X-26057)
- 2-(4-Ethoxynaphthalen-1-yl)-4,6-bis(trichloromethyl)-1,3,5-triazine (CAS 69432-41-3)
- 5-Chloro-4-(trifluoromethyl)picolinaldehyde (CAS 1256821-81-4)
- Semaglutide Impurity 4 (CAS CATO-C4X-22264)
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