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Rhamnetin

$ 1.00 /1kg

Min. Order1g
Purity99%
Cas No90-19-7
Supply Ability100KG
Update time2019-07-06

career henan chemical co

career henan chemical co

7YR

China

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Chemical Properties

Product Name	Rhamnetin
CAS No	90-19-7
EC-No
Min. Order	1g
Purity	99%
Supply Ability	100KG
Release date	2019/07/06

Rhamnetin Basic information

Product Name:	Rhamnetin
Synonyms:	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;2-(3,4-Dihydroxyphenyl)-5,7-dihydroxy-y-Methoxy-4H-1-benzopyran-4-one
CAS:	90-19-7
MF:	C16H12O7
MW:	316.26
EINECS:	201-974-1
Product Categories:	Flavanols;Aromatics;Heterocycles;Inhibitors;Intermediates & Fine Chemicals;Metabolites & Impurities;Pharmaceuticals;standard material,plant extracts
Mol File:	90-19-7.mol

Rhamnetin Chemical 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 Information

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

MSDS Information

Provider	Language
3,5,3',4'-Tetrahydroxy-7-methoxyflavone	English
SigmaAldrich	English

Rhamnetin Usage And Synthesis

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.]

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