2-(3,4-Dimethoxyphenyl)-5-hydroxy-6,7-dimethoxy-4H-chromen-4-one CAS 21763-80-4
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 21763-80-4 |
| Molecular Formula | C19H18O7 |
| Molecular Weight | 358.34 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
2-(3,4-Dimethoxyphenyl)-5-hydroxy-6,7-dimethoxy-4H-chromen-4-one (CAS 21763-80-4) is a high-purity pharmaceutical standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C19H18O7. Molecular weight: 358.34 g/mol. Each batch is supplied with a Certificate of Analysis (COA).
Physical & Chemical Properties
| Molecular Formula | C19H18O7 |
| Molecular Weight | 358.34 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.) | 1963 |
Related Dimethoxyphenyl Standards
- 1244-78-6 2-(3,4-Dimethoxyphenyl)-3-hydroxy-5,7-dimethoxy-4H-chromen-4-one 2-(3,4-dimethoxyphenyl)-3-hydroxy-5,7-dimethoxy-chromen-4-one 3-Hydroxy-3',4', 5,7-tetramethoxyflavone 4H-1-Benzopyran-4-one, 2-(3, 4-dimethoxyphenyl)-3-hydroxy-5,7-dimethoxy- Flavone, 3-hydroxy-3',4',5,7-tetramethoxy- NSC102049 Quercetin tetramethyl(3',4',5,7) ether (CAS 1244-78-6)
- 8-(2,5-dimethoxyphenyl)-6,7-dimethyl-7,8-dihydro-6H-[1,3]dioxolo[4,5-g]chromen-6-ol (CAS 1005100-69-5)
- (2E)-1-(2,4-Dimethoxyphenyl)-3-(3,4,5-trimethoxyphenyl)prop-2-en-1-one (CAS 1262675-76-2)
- (2E)-1-(2,4-Dimethoxyphenyl)-3-(2,3,4-trimethoxyphenyl)prop-2-en-1-one (CAS 1287378-41-9)
- (2E)-1-(2,5-Dimethoxyphenyl)-3-(3,4,5-trimethoxyphenyl)prop-2-en-1-one (CAS 1600502-76-8)
- (2-(2,4-Dimethoxyphenyl)indolizin-3-yl)(pyridin-3-yl)methanone (CAS 327978-52-9)
- (2E)-1-(2,5-Dimethoxyphenyl)-3-(2,3,4-trimethoxyphenyl)prop-2-en-1-one (CAS 356543-06-1)
- 1,3-Bis(3,4-dimethoxyphenyl)-2-methylpropane-1,3-dione (CAS 832739-36-3)
Recommended Standards
- 2-(2-(4-Fluorophenyl)-5-methyl-3-oxo-2,3-dihydro-1H-pyrazol-4-yl)ethyl 4-fluorobenzoate (CAS 866018-41-9)
- 3-(2-Fluoro-4-nitrophenoxy)-N-phenylthiophene-2-carboxamide (CAS 303152-03-6)
- 1-(2,5-Dioxopyrrolidin-1-yl) 5-methyl (tert-butoxycarbonyl)-L-glutamate (CAS 39538-20-0)
- Ethyl 2-(4-(difluoromethyl)-6-(furan-2-yl)-3-methyl-1H-pyrazolo[3,4-b]pyridin-1-yl)acetate (CAS 1011373-83-3)
- 1-(4-Methyl-2-((4,6,8-trimethylquinazolin-2-yl)amino)pyrimidin-5-yl)ethan-1-one (CAS 925645-95-0)
- N-[3-(Hydrazinocarbonyl)phenyl]-2-methylpropanamide (CAS 2098500-83-3)
- 3-(5-Bromothiophen-2-yl)-1H-pyrazol-5-amine hydrochloride (CAS 1031794-53-2)
- (R,R)-(+)-1,2,9,10-diepoxydecane (CAS 144741-95-7)
- 2-((Tert-butoxycarbonyl)amino)-5-chloro-2,3-dihydro-1h-indene-2-carboxylic acid (CAS 1427501-69-6)
- Macrocyclic Peptide flaviviridae Viruses InhibitorDISCONTINUED (CAS 1510841-23-2)
Why CATO?
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