4,5,6,7-tetrachloro-2-benzofuran-1(3H)-one

CHEBI:47617 ·resolve ·ANTIFUNGAL ·EXACT SEEDED

A member of the class of 2-benzofurans that is 2-benzofuran-1(3H)-one in which all or the hydrogens attached to the benzene ring are replaced by chlorines. A fungicide used for the control of rice blast, it is not approved for use within the European Union. — 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:26888 CHEBI:26888
CHEBI:27171 CHEBI:27171
CHEBI:28831 CHEBI:28831
CHEBI:37581 CHEBI:37581

Chemical structure

Computed structure properties
Molecular formula	C8H2Cl4O2
Charge	0
Average mass	271.914 Da
Monoisotopic mass	269.88089 Da
Source	ChEBI
InChIKey	NMWKWBPNKPGATC-UHFFFAOYSA-N

SMILES

O=C1OCc2c(Cl)c(Cl)c(Cl)c(Cl)c21

InChI

InChI=1S/C8H2Cl4O2/c9-4-2-1-14-8(13)3(2)5(10)7(12)6(4)11/h1H2

Also called

Rabcide (BRAND_NAME)— chebi
4,5,6,7-tetrachloro-1(3H)-isobenzofuranone (EXACT_SYNONYM)— chebi
4,5,6,7-tetrachlorophthalide (EXACT_SYNONYM)— chebi
Bayer 96610 (EXACT_SYNONYM)— chebi
KF-32 (EXACT_SYNONYM)— chebi
fthalide (EXACT_SYNONYM)— chebi

Cross-references

Equivalent identifiers for this same structure in other resources.

cas:27355-22-2
kegg.compound:C18611
pdb-ccd:PHH
pesticides:phthalide
ppdb:1212
reaxys:182477

Activity roles

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

CHEBI:86328 CHEBI:86328

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:47617`	4,5,6,7-tetrachloro-2-benzofuran-1(3H)-one	`antibioticmech:chebi-3aa6425b48`	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.