ChemicalBook > CAS DataBase List > Rhamnetin
Rhamnetin
- Product Name
- 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-RM;RHAMNETIN(SH);Rhamnetin 99%;B-RHAMNOCITRIN;β-Rhamnocitrin
- CBNumber
- CB0730880
- Molecular Formula
- C16H12O7
- Formula Weight
- 316.26
- MOL File
- 90-19-7.mol
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Rhamnetin Property
- 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)
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Hazard and Precautionary Statements (GHS)
- Symbol(GHS)
-
- Signal word
- Warning
- Hazard statements
-
H315Causes skin irritation
H319Causes serious eye irritation
H335May cause respiratory irritation
- Precautionary statements
-
P261Avoid breathing dust/fume/gas/mist/vapours/spray.
P305+P351+P338IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.
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N-Bromosuccinimide Price
Sigma-Aldrich
- Product number
- 17799
- Product name
- Rhamnetin
- Purity
- analytical standard
- Packaging
- 5mg
- Price
- $413
- Updated
- 2024/03/01
Sigma-Aldrich
- Product number
- 17799
- Product name
- Rhamnetin
- Purity
- analytical standard
- Packaging
- 1mg
- Price
- $84.5
- Updated
- 2022/05/15
Cayman Chemical
- Product number
- 20302
- Product name
- Rhamnetin
- Purity
- ≥98%
- Packaging
- 500μg
- Price
- $37
- Updated
- 2024/03/01
Cayman Chemical
- Product number
- 20302
- Product name
- Rhamnetin
- Purity
- ≥98%
- Packaging
- 1mg
- Price
- $68
- Updated
- 2024/03/01
Cayman Chemical
- Product number
- 20302
- Product name
- Rhamnetin
- Purity
- ≥98%
- Packaging
- 5mg
- Price
- $184
- Updated
- 2024/03/01
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Rhamnetin Chemical Properties,Usage,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
Preparation Products
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Rhamnetin Suppliers
- Tel
- 010-82848833 400-666-7788
- Fax
- 86-10-82849933
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- China
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- 86-21-61259102
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- 021-50135380
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- China
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- 0871-65215563
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- China
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- China
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- China
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- Country
- China
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- 0086-21-51320502
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- China
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- Tel
- +49-172-1024293
- Fax
- +49-(0)6422-938149
- pmc@transmit.de
- Country
- Germany
- ProdList
- 142
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View Lastest Price from Rhamnetin manufacturers
Zhuozhou Wenxi import and Export Co., Ltd
- Product
- Rhamnetin 90-19-7
- Price
- US $15.00-10.00/KG
- Min. Order
- 1KG
- Purity
- 99%+ HPLC
- Supply Ability
- Monthly supply of 1 ton
- Release date
- 2021-08-11
Career Henan Chemical Co
- Product
- Rhamnetin 90-19-7
- Price
- US $1.00/kg
- Min. Order
- 1g
- Purity
- 99%
- Supply Ability
- 100KG
- Release date
- 2018-12-24
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