ChemicalBook
Chinese Japanese Germany

Rhamnetin

Rhamnetin
Rhamnetin
CAS No.
90-19-7
Chemical Name:
Rhamnetin
Synonyms
Nsc19802;LY 805921;RHAMNETIN;c.i.75690;RHAMNETIN(SH);Rhamnetin 99%;B-RHAMNOCITRIN;7-METHYLQUERCETIN;beta-rhamnocitrin;7-methoxyquercetin
CBNumber:
CB0730880
Molecular Formula:
C16H12O7
Formula Weight:
316.26
MOL File:
90-19-7.mol

Rhamnetin Properties

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
CAS DataBase Reference
90-19-7(CAS DataBase Reference)
SAFETY
  • Risk and Safety Statements
  • Hazard and Precautionary Statements (GHS)
Hazard Codes  Xi
Risk Statements  36/37/38
Safety Statements  26-36/37
WGK Germany  3
RTECS  LK8748000
3-10
Symbol(GHS):
Signal word: Warning
Hazard statements:
Code Hazard statements Hazard class Category Signal word Pictogram P-Codes
H315 Causes skin irritation Skin corrosion/irritation Category 2 Warning P264, P280, P302+P352, P321,P332+P313, P362
H319 Causes serious eye irritation Serious eye damage/eye irritation Category 2A Warning P264, P280, P305+P351+P338,P337+P313P
H335 May cause respiratory irritation Specific target organ toxicity, single exposure;Respiratory tract irritation Category 3 Warning
Precautionary statements:
P261 Avoid breathing dust/fume/gas/mist/vapours/spray.
P305+P351+P338 IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.

Rhamnetin price More Price(2)

Manufacturer Product number Product description CAS number Packaging Price Updated Buy
Sigma-Aldrich 17799 Rhamnetin analytical standard 90-19-7 1mg-f $68.9 2017-11-08 Buy
Sigma-Aldrich 17799 Rhamnetin analytical standard 90-19-7 5mg-f $275 2017-11-08 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

Preparation Products


Rhamnetin Suppliers

Global( 60)Suppliers
Supplier Tel Fax Email Country ProdList Advantage
Mainchem Co., Ltd.
+86-0592-6210733
+86-0592-6210733 sales@mainchem.com CHINA 32764 55
Chengdu Greenpure Biopharma CO.,Ltd
18283602253
jancyzheng@gcgreenpure.com CHINA 1274 58
J & K SCIENTIFIC LTD. 400-666-7788 +86-10-82848833
+86-10-82849933 jkinfo@jkchemical.com;market6@jkchemical.com China 96815 76
Meryer (Shanghai) Chemical Technology Co., Ltd. +86-(0)21-61259100(Shanghai) +86-(0)755-86170099(ShenZhen) +86-(0)10-62670440(Beijing)
+86-(0)21-61259102(Shanghai) +86-(0)755-86170066(ShenZhen) +86-(0)10-88580358(Beijing) sh@meryer.com China 40399 62
Chemsky (shanghai) International Co.,Ltd 021-50135380
shchemsky@sina.com China 15709 60
BioBioPha Co., Ltd. +86-871-65217109
+86-871-65215563 sales@mail.biobiopha.com China 5696 65
ShangHai YuanYe Biotechnology Co., Ltd. 021-61312847 qq:2797782341
021-55068248 2797782341@qq.com China 7594 60
T&W GROUP +86-21-61551611, 61551462, 61551420, 61551610
+86-21-50676805 contact@trustwe.com China 10622 58
T&W GROUP +86-21-61551611, 61551462, 61551420, 61551610
+86-21-50676805 contact@trustwe.com China 10622 58
Chengdu Biopurify Phytochemicals Ltd. 86-28-82633397
+86-28-82633165 sales@biopurify.com China 2011 60

90-19-7(Rhamnetin)Related Search:


Copyright 2017 © ChemicalBook. All rights reserved