AntibioticMech

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

Classification

Strictly broader compounds or drug classes this molecule belongs to.

• CHEBI:27124 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

Equivalent identifiers for this same structure in other resources.

• cas:973-67-1
• kegg.compound:C10024
• knapsack:C00003808
• lipidmaps:LMPK12111100
• reaxys:300583

Activity roles

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

• CHEBI:64953 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

1. SEEDED_FROM_SOURCES 2026-08-30 · seed_from_sources

   Seeded from data/raw/ inventories (CHEBI)

2. RESEEDED_FROM_SOURCES 2026-08-30 · seed_from_sources

   Re-seeded from updated data/raw/ inventories

3. 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.