5,6,7-trimethoxyflavone

CHEBI:2980 ·resolve ·ANTIVIRAL ·EXACT SEEDED

A trimethoxyflavone that is the 5,6,7-trimethyl ether derivative of baicalein. It has been isolated from the plant Callicarpa japonica and has been shown to exhibit antiviral activity. — 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.

Label unavailable CHEBI:27124

Chemical structure

Computed structure properties
Molecular formula	C18H16O5
Charge	0
Average mass	312.321 Da
Monoisotopic mass	312.09977 Da
Source	ChEBI
InChIKey	HJNJAUYFFFOFBW-UHFFFAOYSA-N

SMILES

COc1cc2oc(-c3ccccc3)cc(=O)c2c(OC)c1OC

InChI

InChI=1S/C18H16O5/c1-20-15-10-14-16(18(22-3)17(15)21-2)12(19)9-13(23-14)11-7-5-4-6-8-11/h4-10H,1-3H3

Also called

5,6,7-trimethoxy-2-phenyl-4H-chromen-4-one (EXACT_SYNONYM)— chebi
Baicalein 5,6,7-trimethyl ether (EXACT_SYNONYM)— chebi

Cross-references

Identifiers for this same structure in other resources. An accession that lands on two different structures in this corpus is withheld from both rather than shown here, since it names at most one of them.

Activity roles

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

anti-HSV-1 agent CHEBI:64953

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:2980`	5,6,7-trimethoxyflavone	`antibioticmech:chebi-a7cca12489`	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 (YAML).

Explore across X-Mech: MediaIngredientMech (5,6,7-trimethoxyflavone) · CultureMech · NaturalProductMech · PathwayMech · TraitMech