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
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 1244-78-6 |
| Molecular Formula | C19H18O7 |
| Molecular Weight | 358.34 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
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) is a pharmaceutical standards certified reference material from CATO. Molecular formula: C19H18O7. Molecular weight: 358.34 g/mol. ISO 17034 accredited production ensures traceable purity and reliable analytical results.
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.) | 1957 |
Related Dimethoxyphenyl Standards
- 2-(3,4-Dimethoxyphenyl)-5-hydroxy-6,7-dimethoxy-4H-chromen-4-one (CAS 21763-80-4)
- 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
- 7-(Benzo[d][1,3]dioxol-5-yl)-2-(2-fluorophenyl)-[1,2,4]triazolo[1,5-a]pyridine-8-carbonitrile (CAS 860650-46-0)
- Methyl 2-amino-6-(4-(trifluoromethyl)pyrimidin-2-yl)-4,5,6,7-tetrahydrothieno[2,3-c]pyridine-3-carboxylate (CAS 1427460-39-6)
- 4-Ethynyl-1-((4-nitrophenyl)sulfonyl)-1,4-dihydro-2H-benzo[d][1,3]oxazin-2-one (CAS 2097770-05-1)
- 2-Ethynyl-5-(trifluoromethyl)thiophene (CAS 128009-34-7)
- 3-Methyl-5-[(1-methylpyrrolidin-3-yl)oxy]-1,2,4-thiadiazole (CAS 2200611-43-2)
- 7-(3,5-Dimethylpiperazin-1-yl)-6-fluoro-4-oxo-1-phenyl-1,4-dihydroquinoline-3-carboxylic acid (CAS 164662-44-6)
- DBCO-Maleimide (CAS 1395786-30-7)
- 2-(3-Morpholinopropoxy)aniline (CAS 860249-97-4)
- tert-Butyl 4-carbamoyl-1,1-dioxo-1,3-thiazolidine-3-carboxylate (CAS 1613292-57-1)
- Acetyl Hexapeptide-38 (CAS 1400634-44-7)
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