Rhamnetin
- CAS No.
- 90-19-7
- Chemical Name:
- Rhamnetin
- Synonyms
- 2-(3,4-Dihydroxyphenyl)-3,5-dihydroxy-7-methoxy-4H-chromen-4-one;Nsc19802;c.i.75690;LY 805921;RHAMNETIN;RHAMNETIN(SH);Rhamnetin 99%;B-RHAMNOCITRIN;beta-rhamnocitrin;7-METHYLQUERCETIN
- CBNumber:
- CB0730880
- Molecular Formula:
- C16H12O7
- Molecular Weight:
- 316.26
- MOL File:
- 90-19-7.mol
- MSDS File:
- SDS
- Modify Date:
- 2024/7/2 8:54:58
| Melting point | 293-296°C (dec.) |
|---|---|
| Boiling point | 375.7°C (rough estimate) |
| Density | 1.3347 (rough estimate) |
| refractive index | 1.4790 (estimate) |
| storage temp. | 2-8°C |
| solubility | DMSO (Slightly), Methanol (Slightly, Heated) |
| pka | 6.15±0.40(Predicted) |
| form | Solid |
| color | Light Yellow to Dark Yellow |
| BRN | 47741 |
| Stability | Hygroscopic |
| LogP | 2.580 (est) |
| CAS DataBase Reference | 90-19-7(CAS DataBase Reference) |
SAFETY
Risk and Safety Statements
| Symbol(GHS) |  GHS07 |
|||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Signal word | Warning | |||||||||
| Hazard statements | H315-H319-H335 | |||||||||
| Precautionary statements | P261-P305+P351+P338 | |||||||||
| Hazard Codes | Xi | |||||||||
| Risk Statements | 36/37/38 | |||||||||
| Safety Statements | 26-36/37 | |||||||||
| WGK Germany | 3 | |||||||||
| RTECS | LK8748000 | |||||||||
| F | 3-10 | |||||||||
| NFPA 704 |
|
Rhamnetin price More Price(2)
Rhamnetin Chemical Properties,Uses,Production
Uses
O-Methylated metabolite of the flavanoid Quercertin (Q509500) with antioxidant activity.
Definition
ChEBI: A monomethoxyflavone that is quercetin methylated at position 7.
Purification Methods
Crystallise rhamnetin from EtOH (m 292-293o), aqueous EtOH (m 294-296o) or MeOH (m 290-294o). or Me2CO/MeOH. [Kuhn & Low Chem Ber 77 211 1944, Jurd J Am Chem Soc 80 5531 1958.] The tetra-acetate has m 189-190o (from Me2CO/MeOH). [Beilstein 18 H 245, 18 II 237, 18 III/IV 3474.]
Rhamnetin Preparation Products And Raw materials
Raw materials
4H-1-Benzopyran-4-one, 3-[(6-deoxy-α-L-mannopyranosyl)oxy]-2-(3,4-dihydroxyphenyl)-5-hydroxy-7-methoxy-
Quercetin 3,3’,4’,5-Tetraacetate
2-(2,2-Diphenyl-1,3-benzodioxol-5-yl)-5,7-dihydroxy-3-(phenylmethoxy)-4H-1-benzopyran-4-one
2-(2,2-diphenylbenzo[d][1,3]dioxol-5-yl)-3,5,7-trihydroxy-4H-chroMen-4-one
Quercetin
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Global( 133)Suppliers
| Supplier | Tel | Country | ProdList | Advantage | Inquiry |
|---|---|---|---|---|---|
| CLEARSYNTH LABS LTD. | +91-22-45045900 | Hyderabad, India | 6351 | 58 | Inquiry |
| career henan chemical co | +86-0371-86658258 +8613203830695 | China | 29899 | 58 | Inquiry |
| Chengdu Biopurify Phytochemicals Ltd. | +8618080483897 | China | 3772 | 58 | Inquiry |
| Chongqing Chemdad Co., Ltd | +86-023-6139-8061 +86-86-13650506873 | China | 39916 | 58 | Inquiry |
| Finetech Industry Limited | +86-27-87465837 +8618971612321 | China | 9640 | 58 | Inquiry |
| Dayang Chem (Hangzhou) Co.,Ltd. | 571-88938639 +8617705817739 | China | 52861 | 58 | Inquiry |
| TargetMol Chemicals Inc. | +1-781-999-5354 | United States | 19973 | 58 | Inquiry |
| PT CHEM GROUP LIMITED | China | 35426 | 58 | Inquiry | |
| Zibo Hangyu Biotechnology Development Co., Ltd | +86-0533-2185556 +8617865335152 | China | 10991 | 58 | Inquiry |
| LEAPCHEM CO., LTD. | +86-852-30606658 | China | 43348 | 58 | Inquiry |
90-19-7(Rhamnetin)Related Search:
7-methoxyquercetin
7-o-methylquercetin
beta-rhamnocitrin
c.i.75690
3,3,4,5-TETRAHYDROXY-7-METHOXYFLAVONE TECH GRADE
RHAMNETIN WITH HPLC
2-(3,4-Dihydroxyphenyl)-3,5-dihydroxy-7-methoxy-4H-1-benzopyran-4-one
7-Methoxyquercetin
4H-1-Benzopyran-4-one, 2-(3,4-dihydroxyphenyl)-3,5-dihydroxy-7-methoxy- Flavone, 3,3',4',5-tetrahydroxy-7-methoxy- Nsc19802 RHAMNETIN(SH) 7METHOXY3345TETRAHYDROXYFLAVONE 3,5,3'',4''-TETRAHYDROXY-7-METHOXYFLAVONE WITH HPLC QUERCETIN-7-METHYL ETHER hplc Rhamnetin 99% 2-(3,4-Dihydroxyphenyl)-5,7-dihydroxy-y-Methoxy-4H-1-benzopyran-4-one LY 805921 B-RHAMNOCITRIN 3,3',4',5'-TETRAHYDROXY-7-METHOXYFLAVONE 3,3',4',5-TETRAHYDROXY-7-METHOXYFLAVONE 3,3,4,5-TETRAHYDROXY-7-METHOXYFLAVONE 7-METHYLQUERCETIN QUERCETIN-7-METHYL ETHER RHAMNETIN 2-(3,4-dihydroxyphenyl)-3,5-dihydroxy-7-methoxy-4h-1-benzopyran-4-on 3,3’,4’,5-tetrahydroxy-7-methoxy-flavon 7-methoxy-3,3’,4’,5-tetrahydroxy-flavon 3,5,3',4'-TETRAHYDROXY-7-METHOXYFLAVONE Rhamnetin - Tech grade ca 50% Rutoside Trihydrate Impurity 10(Rhamnetin) 2-(3,4-Dihydroxyphenyl)-3,5-dihydroxy-7-methoxy-4H-chromen-4-one inhibit,Phospholipase,Rhamnetin,Inhibitor 90-19-7 Analytical Chromatography Product Catalog Alphabetic Analytical Standards standard material,plant extracts Inhibitors Intermediates & Fine Chemicals Metabolites & Impurities Pharmaceuticals Aromatics Heterocycles Flavanols
4H-1-Benzopyran-4-one, 2-(3,4-dihydroxyphenyl)-3,5-dihydroxy-7-methoxy- Flavone, 3,3',4',5-tetrahydroxy-7-methoxy- Nsc19802 RHAMNETIN(SH) 7METHOXY3345TETRAHYDROXYFLAVONE 3,5,3'',4''-TETRAHYDROXY-7-METHOXYFLAVONE WITH HPLC QUERCETIN-7-METHYL ETHER hplc Rhamnetin 99% 2-(3,4-Dihydroxyphenyl)-5,7-dihydroxy-y-Methoxy-4H-1-benzopyran-4-one LY 805921 B-RHAMNOCITRIN 3,3',4',5'-TETRAHYDROXY-7-METHOXYFLAVONE 3,3',4',5-TETRAHYDROXY-7-METHOXYFLAVONE 3,3,4,5-TETRAHYDROXY-7-METHOXYFLAVONE 7-METHYLQUERCETIN QUERCETIN-7-METHYL ETHER RHAMNETIN 2-(3,4-dihydroxyphenyl)-3,5-dihydroxy-7-methoxy-4h-1-benzopyran-4-on 3,3’,4’,5-tetrahydroxy-7-methoxy-flavon 7-methoxy-3,3’,4’,5-tetrahydroxy-flavon 3,5,3',4'-TETRAHYDROXY-7-METHOXYFLAVONE Rhamnetin - Tech grade ca 50% Rutoside Trihydrate Impurity 10(Rhamnetin) 2-(3,4-Dihydroxyphenyl)-3,5-dihydroxy-7-methoxy-4H-chromen-4-one inhibit,Phospholipase,Rhamnetin,Inhibitor 90-19-7 Analytical Chromatography Product Catalog Alphabetic Analytical Standards standard material,plant extracts Inhibitors Intermediates & Fine Chemicals Metabolites & Impurities Pharmaceuticals Aromatics Heterocycles Flavanols