Rhamnetin

Rhamnetin Suppliers list

Company Name:	Hefei Lbao Physical & Chemical Science Co.,Ltd
Tel:	+15184799099
Email:	lbaochemicals@gmail.com
Products Intro:	Product Name:2-(3,4-Dihydroxyphenyl)-3,5-dihydroxy-7-methoxy-4H-chromen-4-one CAS:90-19-7 Purity:98% Package:1kg;

Company Name:	career henan chemical co
Tel:	+86-0371-86658258 +8613203830695
Email:	sales@coreychem.com
Products Intro:	Product Name:Rhamnetin CAS:90-19-7 Purity:99% Package:1kg;1USD

Company Name:	Chengdu Biopurify Phytochemicals Ltd.
Tel:	+86-28-82633860; +8618080483897
Email:	sales@biopurify.com
Products Intro:	Product Name:Rhamnetin CAS:90-19-7 Purity:0.98 Package:10mg;20mg;50mg;100mg

Company Name:	Antai Fine Chemical Technology Co.,Limited
Tel:	18503026267
Email:	info@antaichem.com
Products Intro:	Product Name:rhamnetin CAS:90-19-7 Purity:0.98 Package:1KG;5KG;25KG

Company Name:	TargetMol Chemicals Inc.
Tel:	+1-781-999-5354; +17819995354
Email:	marketing@targetmol.com
Products Intro:	Product Name:Rhamnetin CAS:90-19-7 Purity:97.6% Package:1mg;109USD\|5mg;278USD\|10mg;418USD Remarks:REAGENT;FOR LABORATORY USE ONLY

Rhamnetin manufacturers

Rhamnetin Basic information

Product Name:	Rhamnetin
Synonyms:	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
CAS:	90-19-7
MF:	C16H12O7
MW:	316.26
EINECS:	201-974-1
Product Categories:	standard material,plant extracts;Inhibitors;Intermediates & Fine Chemicals;Metabolites & Impurities;Pharmaceuticals;Aromatics;Heterocycles;Flavanols
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
solubility	DMSO (Slightly), Methanol (Slightly, Heated)
pka	6.15±0.40(Predicted)
form	Solid
color	Light Yellow to Dark Yellow
BRN	47741
Stability:	Hygroscopic
Major Application	food and beverages
InChI	1S/C16H12O7/c1-22-8-5-11(19)13-12(6-8)23-16(15(21)14(13)20)7-2-3-9(17)10(18)4-7/h2-6,17-19,21H,1H3
InChIKey	JGUZGNYPMHHYRK-UHFFFAOYSA-N
SMILES	COc1cc(O)c2C(=O)C(O)=C(Oc2c1)c3ccc(O)c(O)c3
LogP	2.580 (est)
CAS DataBase Reference	90-19-7(CAS DataBase Reference)

Safety Information

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.]

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

Tag:Rhamnetin(90-19-7) Related Product Information

Rhamnosylvitexin Anisole α-L-Rhamnopyranose monohydrate (Trifluoromethoxy)benzene 4-(Trifluoromethoxy)aniline 4-Methoxybenzylchloride 4-Methoxyphenol p-Anisidine p-Anisaldehyde 4-Methoxybenzoic acid 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