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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(SH);Rhamnetin 99%;B-RHAMNOCITRIN;beta-rhamnocitrin;7-METHYLQUERCETIN
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)
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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Safety

Hazard Codes 
Xi
Risk Statements 
36/37/38
Safety Statements 
26-36/37
WGK Germany 
3
RTECS 
LK8748000
F 
3-10
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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

Canada 1 China 94 France 2 Germany 3 India 1 Japan 1 Switzerland 1 United Kingdom 7 United States 15 USA 1 Global 126
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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

90-19-7, RhamnetinRelated Search:

4-Methoxybenzoic acid Rhamnosylvitexin Anisole α-L-Rhamnopyranose monohydrate (Trifluoromethoxy)benzene 4-(Trifluoromethoxy)aniline 4-Methoxybenzylchloride 4-Methoxyphenol p-Anisidine p-Anisaldehyde Isorhamnetin ARTEMETIN QUERCETIN-3,5,7,3',4'-PENTAMETHYL ETHER 3,7,3',4'-TETRAMETHYLGOSSYPETIN CASTICIN QUERCETIN-3,7,3',4'-TETRAMETHYL ETHER Lycorine hydrochloride 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<br />
  • 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
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