AntibioticMech

isatinone A

CHEBI:66087 ·resolve ·ANTIFUNGAL ·EXACT SEEDED

An indole alkaloid that is 1,3-dihydro-2H-indol-2-one substituted by a methoxy(phenyl)methylidene group at position 3 (the 3E stereoisomer). Isolated from Isatis costata, it exhibits antifungal activity. — ChEBI

Classification

Strictly broader compounds or drug classes this molecule belongs to.

• CHEBI:24829 CHEBI:24829
• CHEBI:38958 CHEBI:38958
• CHEBI:47985 CHEBI:47985

Chemical structure

Computed structure properties

Molecular formula	C16H13NO2
Charge	0
Average mass	251.285 Da
Monoisotopic mass	251.09463 Da
Source	ChEBI
InChIKey	VRJYLVZCUCQVBL-CCEZHUSRSA-N

SMILES

CO/C(=C1/C(=O)Nc2ccccc21)c1ccccc1

InChI

InChI=1S/C16H13NO2/c1-19-15(11-7-3-2-4-8-11)14-12-9-5-6-10-13(12)17-16(14)18/h2-10H,1H3,(H,17,18)/b15-14+

Also called

• (3E)-3-[methoxy(phenyl)methylidene]-1,3-dihydro-2H-indol-2-one (EXACT_SYNONYM)— chebi

Cross-references

Equivalent identifiers for this same structure in other resources.

• reaxys:10674292

Activity roles

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

• CHEBI:35718 CHEBI:35718

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:66087	isatinone A	antibioticmech:chebi-5f1d494236	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.