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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
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

J & K SCIENTIFIC LTD.
Tel
010-82848833 400-666-7788
Fax
86-10-82849933
Email
jkinfo@jkchemical.com
Country
China
ProdList
96815
Advantage
76
Meryer (Shanghai) Chemical Technology Co., Ltd.
Tel
4006608290; 18621169109
Fax
86-21-61259102
Email
market03@meryer.com
Country
China
ProdList
40241
Advantage
62
Chemsky (shanghai) International Co.,Ltd
Tel
021-50135380
Email
shchemsky@sina.com
Country
China
ProdList
15421
Advantage
60
BioBioPha Co., Ltd.
Tel
0871-65217109 13211707573;
Fax
0871-65215563
Email
y.liu@mail.biobiopha.com
Country
China
ProdList
5658
Advantage
65
Chengdu Biopurify Phytochemicals Ltd.
Tel
+86-028-82633397 18982077548
Fax
+86-28-82633165
Email
cwb1@biopurify.cn
Country
China
ProdList
2376
Advantage
60
Beijing HuaMeiHuLiBiological Chemical
Tel
010-56205725
Fax
010-65763397
Email
waley188@sohu.com
Country
China
ProdList
12338
Advantage
58
Shanghai T&W Pharmaceutical Co., Ltd.
Tel
+86 21 61551611
Fax
+86 21 50676805
Country
China
ProdList
9901
Advantage
58
Shanghai Tauto Biotech Co., Ltd.
Tel
021-51320588
Fax
0086-21-51320502
Email
tauto@tautobiotech.com
Country
China
ProdList
3989
Advantage
66
TransMIT GmbH PlantMetaChem
Tel
+49-172-1024293
Fax
+49-(0)6422-938149
Email
pmc@transmit.de
Country
Germany
ProdList
142
Advantage
60
Shanghai Meishui Chemical Technology Co., Ltd
Tel
021-60549325 18616193163
Fax
021-33250306
Country
China
ProdList
4528
Advantage
56
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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:


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