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.

Label unavailable CHEBI:55373
Label unavailable 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

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.

antifungal agrochemical 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 (YAML).

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