diclomezine

CHEBI:81759 ·resolve ·ANTIFUNGAL ·EXACT SEEDED

A pyridazinone that is pyridazin-3(2H)-one which is substituted at position 6 by a 3,5-dichloro-4-methylphenyl group. A fugicide, it is used to treat rice sheath blight caused by Rhizoctonia solani. — 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:23697 CHEBI:23697
CHEBI:26414 CHEBI:26414

Chemical structure

Computed structure properties
Molecular formula	C11H8Cl2N2O
Charge	0
Average mass	255.104 Da
Monoisotopic mass	254.00137 Da
Source	ChEBI
InChIKey	UWQMKVBQKFHLCE-UHFFFAOYSA-N

SMILES

Cc1c(Cl)cc(-c2ccc(=O)nn2)cc1Cl

InChI

InChI=1S/C11H8Cl2N2O/c1-6-8(12)4-7(5-9(6)13)10-2-3-11(16)15-14-10/h2-5H,1H3,(H,15,16)

Also called

Monguard (BRAND_NAME)— chebi
6-(3,5-dichloro-4-methylphenyl)pyridazin-3(2H)-one (EXACT_SYNONYM)— chebi
6-(3,5-dichloro-4-methylphenyl)-3(2H)-pyridazinone (EXACT_SYNONYM)— chebi
6-(3,5-dichloro-4-methylphenyl)-3-pyridazone (EXACT_SYNONYM)— chebi
6-(3,5-dichloro-p-tolyl)pyridazin-3(2H)-one (EXACT_SYNONYM)— chebi
diclomézine (EXACT_SYNONYM)— chebi

Cross-references

Equivalent identifiers for this same structure in other resources.

cas:62865-36-5
kegg.compound:C18458
pesticides:diclomezine
ppdb:1215
reaxys:884391

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:81759`	diclomezine	`antibioticmech:chebi-aa25c1f848`	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.