3,3'-dimethylquercetin

CHEBI:146138 ·resolve ·ANTIBACTERIAL ·EXACT SEEDED

A dimethoxyflavone that is quercetin in which the hydroxy groups at position 3 and 3' have been replaced by methoxy groups. It has been isolated from several plant species and exhibits anti-bacterial and anti-cancer properties. — ChEBI

Machine-generated and unreviewed. Identity, structure and cross-references come straight from ChEBI's and CARD's own data; no curator has signed off on this record yet.

Classification

Strictly broader compounds or drug classes this molecule belongs to.

CHEBI:138730 CHEBI:138730
CHEBI:23798 CHEBI:23798
CHEBI:27116 CHEBI:27116

Chemical structure

Computed structure properties
Molecular formula	C17H14O7
Charge	0
Average mass	330.292 Da
Monoisotopic mass	330.07395 Da
Source	ChEBI
InChIKey	FMEHGPQTMOPUGM-UHFFFAOYSA-N

SMILES

COc1cc(-c2oc3cc(O)cc(O)c3c(=O)c2OC)ccc1O

InChI

InChI=1S/C17H14O7/c1-22-12-5-8(3-4-10(12)19)16-17(23-2)15(21)14-11(20)6-9(18)7-13(14)24-16/h3-7,18-20H,1-2H3

Also called

5,7-dihydroxy-2-(4-hydroxy-3-methoxyphenyl)-3-methoxy-4H-chromen-4-one (EXACT_SYNONYM)— chebi
3,3'-O-dimethyl quercetin (EXACT_SYNONYM)— chebi
3,3'-di-O-methylquercetin (EXACT_SYNONYM)— chebi
3,3'-dimethoxyquercetin (EXACT_SYNONYM)— chebi
3-O-methylisorhamnetin (EXACT_SYNONYM)— chebi
4',5,7-trihydroxy-3,3'-dimethoxyflavone (EXACT_SYNONYM)— chebi
5,7,4'-trihydroxy-3,3'-dimethoxyflavone (EXACT_SYNONYM)— chebi
5,7-dihydroxy-2-(4-hydroxy-3-methoxyphenyl)-3-methoxy-4H-1-benzopyran-4-one (EXACT_SYNONYM)— chebi
quercetin 3,3'-dimethyl ether (EXACT_SYNONYM)— chebi

Cross-references

Equivalent identifiers for this same structure in other resources.

cas:4382-17-6
lipidmaps:LMPK12112752
metacyc.compound:CPD-14946

Activity roles

Every antimicrobial role a source asserts for this compound — the unreduced evidence behind its antimicrobial_class.

CHEBI:33282 CHEBI:33282

Source concepts

Every upstream concept that resolved to this record. The merge is the product: this is what shows ChEBI and CARD are describing the same structure.

Upstream concepts merged into this record
Source	Native ID	Label	Minted CURIE	Version
CHEBI	`CHEBI:146138`	3,3'-dimethylquercetin	`antibioticmech:chebi-4745191992`	2026-08-30

Curation history

SEEDED_FROM_SOURCES 2026-08-30 · seed_from_sources
Seeded from data/raw/ inventories (CHEBI)
RESEEDED_FROM_SOURCES 2026-08-30 · seed_from_sources
Re-seeded from updated data/raw/ inventories
RESEEDED_FROM_SOURCES 2026-08-30 · seed_from_sources
Re-seeded from updated data/raw/ inventories

Provenance

Seeded by scripts/seed_from_sources.py from the committed inventories in data/raw/. View the record.