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Rhamnetin

Rhamnetin structure

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

CBNumber:: CB0730880

Molecular Formula:: C16H12O7

Molecular Weight:: 316.26

MDL Number:: MFCD00016931

MOL File:: 90-19-7.mol

MSDS File:: SDS

Last updated:2023-07-14 17:31:20

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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
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)
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

Risk Statements

36/37/38

Safety Statements

26-36/37

WGK Germany

RTECS

LK8748000

3-10

NFPA 704

	0
2		0

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

Product number	Packaging	Price	Buy
17799	5mg	$413	Buy
17799	1mg	$84.5	Buy
20302	500μg	$37	Buy
20302	1mg	$68	Buy
20302	5mg	$184	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 synthesis

Synthesis of Rhamnetin from Quercetin and Iodomethane

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

Dimethyl sulfate Iodomethane

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Preparation Products

3,7-DIMETHOXY-3',4',5-TRIHYDROXYFLAVONE 4',7-DIMETHOXY-3,3',5-TRIHYDROXYFLAVONE 3-O-Methylquercetin TAMARIXETIN

Rhamnetin Suppliers

Global( 126)Suppliers

Supplier	Tel	Email	Country	ProdList	Advantage
career henan chemical co	+86-0371-86658258	sales@coreychem.com	China	29914	58
Chengdu Biopurify Phytochemicals Ltd.	+8618080483897	sales@biopurify.com	China	3424	58
Chongqing Chemdad Co., Ltd	+86-023-61398051 +8613650506873	sales@chemdad.com	China	39916	58
Antai Fine Chemical Technology Co.,Limited	18503026267	info@antaichem.com	CHINA	9641	58
Finetech Industry Limited	+86-27-87465837 +8618971612321	info@finetechnology-ind.com	China	9571	58
Dayang Chem (Hangzhou) Co.,Ltd.	571-88938639 +8617705817739	info@dycnchem.com	CHINA	52867	58
TargetMol Chemicals Inc.	+1-781-999-5354	support@targetmol.com	United States	19973	58
PT CHEM GROUP LIMITED	+86-85511178 +86-85511178	peter68@ptchemgroup.com	China	35453	58
ZHEJIANG JIUZHOU CHEM CO., LTD	+86-0576225566889 +86-13454675544	admin@jiuzhou-chem.com；jamie@jiuzhou-chem.com；alice@jiuzhou-chem.com	China	20000	58
Zibo Hangyu Biotechnology Development Co., Ltd	+86-0533-2185556 +8617865335152	Mandy@hangyubiotech.com	China	11013	58

Supplier	Advantage
career henan chemical co	58
Chengdu Biopurify Phytochemicals Ltd.	58
Chongqing Chemdad Co., Ltd	58
Antai Fine Chemical Technology Co.,Limited	58
Finetech Industry Limited	58
Dayang Chem (Hangzhou) Co.,Ltd.	58
TargetMol Chemicals Inc.	58
PT CHEM GROUP LIMITED	58
ZHEJIANG JIUZHOU CHEM CO., LTD	58
Zibo Hangyu Biotechnology Development Co., Ltd	58

View Lastest Price from Rhamnetin manufacturers

Image	Update time	Product	Price	Min. Order	Purity	Supply Ability	Manufacturer
	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
90-19-7
US $15.00-10.00 / KG
99%+ HPLC
Zhuozhou Wenxi import and Export Co., Ltd

Rhamnetin
90-19-7
US $1.00 / kg
99%
Career Henan Chemical Co

90-19-7(Rhamnetin)Related Search:

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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

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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 90-19-7 Analytical Chromatography Product Catalog Alphabetic Analytical Standards standard material,plant extracts Inhibitors Intermediates & Fine Chemicals Metabolites & Impurities Pharmaceuticals Aromatics Heterocycles Flavanols