2-(3,4-Dimethoxyphenyl)-7-hydroxy-5-methoxy-4H-chromen-4-one CAS 10544-05-5
| CAS No. | 10544-05-5 |
| Molecular Formula | C18H16O6 |
| Molecular Weight | 328.32 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO manufactures 2-(3,4-Dimethoxyphenyl)-7-hydroxy-5-methoxy-4H-chromen-4-one under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.
2-(3,4-Dimethoxyphenyl)-7-hydroxy-5-methoxy-4H-chromen-4-one (CAS 10544-05-5), molecular formula C18H16O6 and molecular weight 328.32 g/mol, is a CATO reference standard with documented purity and traceability.
2-(3,4-Dimethoxyphenyl)-7-hydroxy-5-methoxy-4H-chromen-4-one (C18H16O6) 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 | 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.) | 1960 |
Related Dimethoxyphenyl Standards
- 3-[7-(3,4-dimethoxyphenyl)[1,2,4]triazolo[1,5-a]pyrimidin-2-yl]propanoic acid (CAS 1018052-45-3)
- 2-(2,4-Dimethoxyphenyl)-3-hydroxy-7-methoxy-4H-chromen-4-one (CAS 263365-51-1)
- (2E)-1-(2,4-Dimethoxyphenyl)-3-(3,4-dimethoxyphenyl)prop-2-en-1-one (CAS 100753-43-3)
- (2E)-3-(2,3-Dimethoxyphenyl)-1-(2,4-dimethoxyphenyl)prop-2-en-1-one (CAS 1351933-37-3)
- (2E)-1-(2,4-Dimethoxyphenyl)-3-(2,5-dimethoxyphenyl)prop-2-en-1-one (CAS 1383425-63-5)
- (2E)-3-(2,4-Dimethoxyphenyl)-1-(2,5-dimethoxyphenyl)prop-2-en-1-one (CAS 1632119-76-6)
- 1-((2,5-Dimethoxyphenyl)sulfonyl)piperidine-4-carboxamide (CAS 681853-45-2)
- 1-(2,5-Dimethoxyphenyl)tetrahydro-1H-thieno[3,4-d]imidazole-2(3H)-thione 5,5-dioxide (CAS 887833-90-1)
Recommended Standards
- Kaempferol 5,7,4'-trimethyl ether (CAS 1098-92-6)
- 3-Hydroxy-7,8,3'-trimethoxyflavone (CAS 1017060-12-6)
- (1,3-Dimethyl-2,6-dioxo-1,2,3,6-tetrahydropyrimidin-4-yl)methyl 2H-chromene-3-carboxylate (CAS 1110913-40-0)
- Androsin (CAS 531-28-2)
- 2-Chloro-4-fluorobenzo[d]thiazole (CAS 182344-56-5)
- 1-Cyclobutyl-3-phenylpropan-1-one (CAS 874009-12-8)
- Ethyl3-(4-(trifluoromethyl)benzyl)piperidine-3-carboxylateoxalate (CAS 1198416-87-3)
- (R)-tert-Butyl isopropyl(pyrrolidin-3-yl)carbamate (CAS 1353996-55-0)
- 4-(Difluoromethyl)-3,5-dimethoxypyridin-2-ol (CAS 1806820-28-9)
- 3-Chloro-6-(2-methoxyethoxy)pyridazine (CAS 147362-91-2)
- (6-Methyl-5,6,7,8-tetrahydro-1,6-naphthyridin-3-yl)methanamine (CAS 1524962-62-6)
- 2-(1,3-Benzodioxol-5-yl)-azepane (CAS 383130-37-8)
- (1-methyl-2,3-dihydro-1H-indol-5-yl)methanamine dihydrochloride (CAS 1607300-19-5)
- Semaglutide impurity 85 (CAS CATO-C4X-222685)
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 18665070610 / Nicole.chen@cato-chem.com