CAS Number33429-83-3
Synonyms5,7,3'-Trihydroxy-3,4'-dimethoxyflavone; 3',5,7-Trihydroxy-3',4'-dimethoxyflavone; Quercetin 3,4'-dimethyl Ether; 5,7-Dihydroxy-2-(3-hydroxy-4-methoxyphenyl)-3-methoxy-4H-chromen-4-one; 3',5,7-Trihydroxy-3,4'-dimethoxyflavone; quercetin-3,4'-dimethyl ether; 3,4'-O-dimethylquercetin; MFCD00016927; 5,7-Dihydroxy-2-(3-hydroxy-4-methoxy-phenyl)-3-methoxy-1-benzopyran-4-one; 3',5,7-trihydroxy-3,4'-dimethoxy flavone, Quercetin 3,4'-dimethyl Ether; 5,5,3'-trihydroxy-3,4'-dimethoxyflavone; 3,4'-dimethoxy-5,7-3'-trihydroxyflavone
Molecular FormulaC16H12O6
Molecular Weight300.27
Purity96+%
Density1.6±0.1 g/cm3
Boiling Point607.0±55.0 °C at 760 mmHg
Melting Point229-230ºC
Appearanceyellow powder
EINECS0
| Chemical & Physical Properties | |
|---|---|
| CAS Number | 33429-83-3 |
| Catalog No. | 2A-0141512 |
| Chinese Name | 槲皮素3,4'-二甲醚; 5,7,3'-三羟基-3,4'-二甲氧基黄酮 |
| Synonyms | 5,7,3'-Trihydroxy-3,4'-dimethoxyflavone; 3',5,7-Trihydroxy-3',4'-dimethoxyflavone; Quercetin 3,4'-dimethyl Ether; 5,7-Dihydroxy-2-(3-hydroxy-4-methoxyphenyl)-3-methoxy-4H-chromen-4-one; 3',5,7-Trihydroxy-3,4'-dimethoxyflavone; quercetin-3,4'-dimethyl ether; 3,4'-O-dimethylquercetin; MFCD00016927; 5,7-Dihydroxy-2-(3-hydroxy-4-methoxy-phenyl)-3-methoxy-1-benzopyran-4-one; 3',5,7-trihydroxy-3,4'-dimethoxy flavone, Quercetin 3,4'-dimethyl Ether; 5,5,3'-trihydroxy-3,4'-dimethoxyflavone; 3,4'-dimethoxy-5,7-3'-trihydroxyflavone |
| Molecular Formula | C16H12O6 |
| Molecular Weight | 300.27 |
| Purity | 96+ |
| Density | 1.6±0.1 g/cm3 |
| Boiling Point | 607.0±55.0 °C at 760 mmHg |
| Melting Point | 229-230ºC |
| Appearance | yellow powder |
| Storage Condition | 2-8℃, sealed, dry |
| Application | Quercetin 3,4′-dimethyl ether (3,4′-Dimethylquercetin) is a dimethoxyflavone isolated from Combretum quadrangulare. Quercetin 3,4′-dimethyl ether? overcomes TRAIL resistance by enhancing DR5 expressio |
| EINECS | 0 |
| HTC | 2914509090 |
| UN(IATA) | 0 |
| MDL Number | MFCD00016780 |
| SMILES | COc1ccc(-c2oc3cc(O)cc(O)c3c(=O)c2OC)cc1O |
| InChI | InChI=1S/C17H14O7/c1-22-12-4-3-8(5-10(12)19)16-17(23-2)15(21)14-11(20)6-9(18)7-13(14)24-16/h3-7,18-20H,1-2H3 |
| InChI Key | ZSPZNFOLWQEVQJ-UHFFFAOYSA-N |
| MSDS | msds/141512_1_33429_83_3.pdf |
| Use of | Quercetin 3,4′-dimethyl ether (3,4′-Dimethylquercetin) is a dimethoxyflavone can be isolated from Combretum quadrangulare. Quercetin 3,4′-dimethyl ether overcomes TRAIL resistance by enhancing DR5 expression and has anti-tumor activity[1]. Properties Name 5,7-dihydroxy-2-(3-hydroxy-4-methoxyphenyl)-3-methoxychromen-4-one Synonym More Synonyms Quercetin 3,4'-dimethyl ether Biological Activity Description Quercetin 3,4′-dimethyl ether (3,4′-Dimethylquercetin) is a dimethoxyflavone can be isolated from Combretum quadrangulare. Quercetin 3,4′-dimethyl ether overcomes TRAIL resistance by enhancing DR5 expression and has anti-tumor activity[1]. Related Catalog Research Areas >> Cancer Signaling Pathways >> Others >> Others References [1]. Toume K, et al. Cycloartane triterpenes isolated from Combretum quadrangulare in a screening program for death-receptor expression enhancing activity. J Nat Prod. 2011 Feb 25;74(2):249-55. Chemical & Physical Properties Molecular Formula C17H14O7 Exact Mass 330.073944 PSA 109.36000 Index of Refraction 1.701 InChIKey ZSPZNFOLWQEVQJ-UHFFFAOYSA-N Safety Information HS Code 2914509090 Precursor & DownStream Precursor 2 CAS#:117-39-5 CAS#:74-88-4 methyl iodide DownStream 4 CAS#:117-39-5 CAS#:603-61-2 TAMARIXETIN CAS#:572-32-7 CAS#:1245-15-4 |
| Tax Rebate | 9.0% |
| Supervision | None MFN tariff: 5.5% Ordinary tariff: 30.0% |
| Transport Info | Product name: Summary HS:2914509090 other ketones with other oxygen function VAT:17.0% Tax rebate rate:9.0% Supervision conditions:none MFN tariff:5.5% General tariff:30.0% |
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