Rhamnetin

Rhamnetin is an O-methylated flavonol, a type of chemical compound. It can be isolated from cloves.

Rhamnetin

Names
IUPAC name 3,3′,4′,5-Tetrahydroxy-7-methoxyflavone
Systematic IUPAC name 2-(3,4-Dihydroxyphenyl)-3,5-dihydroxy-7-methoxy-4H-1-benzopyran-4-one
Other names 7-Methylquercetin 7-Methoxyquercetin 7-O-Methylquercetin beta-Rhamnocitrin Quercetin 7-methyl ether
Identifiers
CAS Number	90-19-7 Y
3D model (JSmol)	Interactive image
ChEBI	CHEBI:74992 N
ChemSpider	4445008 N
ECHA InfoCard	100.001.795
EC Number	201-974-1
KEGG	C10176 N
PubChem CID	5281691
UNII	71803L5F4S Y
CompTox Dashboard (EPA)	DTXSID40237979
InChI 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 N Key: JGUZGNYPMHHYRK-UHFFFAOYSA-N N InChI=1/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 Key: JGUZGNYPMHHYRK-UHFFFAOYAY
SMILES COC1=CC(=C2C(=C1)OC(=C(C2=O)O)C3=CC(=C(C=C3)O)O)O
Properties
Chemical formula	C16H12O7
Molar mass	316.26 g/mol
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). N verify (what is YN ?) Infobox references

The structure of the molecule was discovered by Austrian chemist Josef Herzig (1853–1924).