hymexazol

CHEBI:5827 ·resolve ·ANTIFUNGAL ·EXACT SEEDED

A member of the class of isoxazoles carrying hydroxy and methyl substituents at positions 3 and 5 respectively. It is used worldwide as a systemic soil and seed fungicide for the control of diseases caused by Fusarium, Aphanomyces, Pythium, and Corticium spp. in rice, sugarbeet, fodderbeet, vegetables, cucurbits, and ornamentals. — 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:55373 CHEBI:55373
CHEBI:74818 CHEBI:74818

Chemical structure

Computed structure properties
Molecular formula	C4H5NO2
Charge	0
Average mass	99.089 Da
Monoisotopic mass	99.03203 Da
Source	ChEBI
InChIKey	KGVPNLBXJKTABS-UHFFFAOYSA-N

SMILES

Cc1cc(O)no1

InChI

InChI=1S/C4H5NO2/c1-3-2-4(6)5-7-3/h2H,1H3,(H,5,6)

Also called

5-methyl-1,2-oxazol-3(2H)-one (EXACT_SYNONYM)— chebi
3-Hydroxy-5-methylisoxazole (EXACT_SYNONYM)— chebi
5-Methyl-3(2H)-isoxazolone (EXACT_SYNONYM)— chebi
5-Methyl-3-hydroxyisoxazole (EXACT_SYNONYM)— chebi
5-Methylisoxazol-3-ol (EXACT_SYNONYM)— chebi
F 319 (EXACT_SYNONYM)— chebi
F-319 (EXACT_SYNONYM)— chebi
Hydroxyisoxazole (EXACT_SYNONYM)— chebi
Hymexazole (EXACT_SYNONYM)— chebi
NSC 217971 (EXACT_SYNONYM)— chebi
SF-6505 (EXACT_SYNONYM)— chebi

Cross-references

Equivalent identifiers for this same structure in other resources.

cas:10004-44-1
kegg.compound:C11103
pesticides:hymexazol
ppdb:388
reaxys:606046

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:5827`	hymexazol	`antibioticmech:chebi-2cea421749`	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.