ChemicalBook >> CAS DataBase List >>Rhamnetin
Rhamnetin
- CAS No.
- 90-19-7
- Chemical Name:
- Rhamnetin
- Synonyms
- 2-(3,4-Dihydroxyphenyl)-3,5-dihydroxy-7-methoxy-4H-chromen-4-one;Nsc19802;RHAMNETIN;c.i.75690;LY 805921;Rhamnetin-RM;RHAMNETIN(SH);Rhamnetin 99%;B-RHAMNOCITRIN;β-Rhamnocitrin
- CBNumber:
- CB0730880
- Molecular Formula:
- C16H12O7
- Molecular Weight:
- 316.26
- MDL Number:
- MFCD00016931
- MOL File:
- 90-19-7.mol
- MSDS File:
- SDS
Last updated:2024-11-19 23:02:33
| 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) |
| FDA UNII | 71803L5F4S |
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(29)
| Manufacturer | Product number | Product description | CAS number | Packaging | Price | Updated | Buy |
|---|---|---|---|---|---|---|---|
| Sigma-Aldrich | 17799 | Rhamnetin analytical standard | 90-19-7 | 5mg | $413 | 2024-03-01 | Buy |
| Sigma-Aldrich | 17799 | Rhamnetin analytical standard | 90-19-7 | 1mg | $84.5 | 2022-05-15 | Buy |
| Cayman Chemical | 20302 | Rhamnetin ≥98% | 90-19-7 | 500μg | $37 | 2024-03-01 | Buy |
| Cayman Chemical | 20302 | Rhamnetin ≥98% | 90-19-7 | 1mg | $68 | 2024-03-01 | Buy |
| Cayman Chemical | 20302 | Rhamnetin ≥98% | 90-19-7 | 5mg | $184 | 2024-03-01 | Buy |
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
1of2
Preparation Products
Global( 137)Suppliers
| Supplier | Tel | Country | ProdList | Advantage | |
|---|---|---|---|---|---|
| career henan chemical co | +86-0371-86658258 +8613203830695 | sales@coreychem.com | China | 29880 | 58 |
| Chengdu Biopurify Phytochemicals Ltd. | +8618080483897 | sales@biopurify.com | China | 3772 | 58 |
| Chongqing Chemdad Co., Ltd | +86-023-6139-8061 +86-86-13650506873 | sales@chemdad.com | China | 39894 | 58 |
| Antai Fine Chemical Technology Co.,Limited | 18503026267 | info@antaichem.com | CHINA | 9636 | 58 |
| TargetMol Chemicals Inc. | +1-781-999-5354 +1-00000000000 | marketing@targetmol.com | United States | 32161 | 58 |
| Finetech Industry Limited | +86-27-87465837 +8618971612321 | info@finetechnology-ind.com | China | 9639 | 58 |
| Dayang Chem (Hangzhou) Co.,Ltd. | 571-88938639 +8617705817739 | info@dycnchem.com | China | 52849 | 58 |
| Henan Alfa Chemical Co., Ltd | China | 10947 | 58 | ||
| TargetMol Chemicals Inc. | support@targetmol.com | United States | 38631 | 58 | |
| PT CHEM GROUP LIMITED | +86-85511178; +86-85511178; | peter68@ptchemgroup.com | China | 35425 | 58 |
View Lastest Price from Rhamnetin manufacturers
| Image | Update time | Product | Price | Min. Order | Purity | Supply Ability | Manufacturer | |
|---|---|---|---|---|---|---|---|---|
 |
2024-11-19 | Rhamnetin
90-19-7
|
US $109.00-418.00 / mg | 97.6% | 10g | TargetMol Chemicals Inc. | ||
 |
2021-08-12 | Rhamnetin
90-19-7
|
US $15.00-10.00 / KG | 1KG | 99%+ HPLC | Monthly supply of 1 ton | Zhuozhou Wenxi import and Export Co., Ltd | |
 |
2019-07-06 | Rhamnetin
90-19-7
|
US $1.00 / kg | 1g | 99% | 100KG | Career Henan Chemical Co |
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
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 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 - Tech grade ca 50% Rutoside Trihydrate Impurity 10(Rhamnetin) Rhamnetin 99% 2-(3,4-Dihydroxyphenyl)-3,5-dihydroxy-7-methoxy-4H-chromen-4-one inhibit,Phospholipase,Rhamnetin,Inhibitor 3,3',4',5-Tetrahydroxy 7-methoxyflavone β-Rhamnocitrin Rhamnetin-RM 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 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 - Tech grade ca 50% Rutoside Trihydrate Impurity 10(Rhamnetin) Rhamnetin 99% 2-(3,4-Dihydroxyphenyl)-3,5-dihydroxy-7-methoxy-4H-chromen-4-one inhibit,Phospholipase,Rhamnetin,Inhibitor 3,3',4',5-Tetrahydroxy 7-methoxyflavone β-Rhamnocitrin Rhamnetin-RM 90-19-7 Analytical Chromatography Product Catalog Alphabetic Analytical Standards standard material,plant extracts Inhibitors Intermediates & Fine Chemicals Metabolites & Impurities Pharmaceuticals Aromatics Heterocycles Flavanols