Chemical substance record

Metalaxyl

57837-19-1C₁₅H₂₁NO₄279.332 g/mol

Organic/Inorganic Small MoleculeChEBI source record

A racemate comprising equal amounts of (R)- and (S)-metalaxyl. A systemic fungicide, it is active against phytopathogens of the order Peronosporales and is used to conrtrol Pythium in a number of vegetable crops. — ChEBI

Safety references

Safety documents & references

Supplier matching matters

Find the safety document for your specific supplier, product number and grade.

Find a product-specific SDS

Search SDS PDFs Sigma-Aldrich Thermo Fisher

Safety guides and government classification records are not a manufacturer’s SDS. Match supplier, product number, concentration, physical form, region and revision before using a document.

Identity & molecular properties

Source-linked values

CAS number	57837-19-1	ChEBI ↗
Molecular formula	C₁₅H₂₁NO₄	ChEBI ↗
Molar mass	279.332 g/mol	ChEBI ↗
Monoisotopic mass	279.14706 Da	ChEBI ↗
Formal charge	0	ChEBI ↗
ChEBI identifier	CHEBI:6790	ChEBI ↗

Names & structural identifiers

Copy any identifier

Source preferred name

metalaxyl

IUPAC name

rac-methyl N-(2,6-dimethylphenyl)-N-(methoxyacetyl)alaninate

Names & synonyms

rac-methyl N-(2,6-dimethylphenyl)-N-(methoxyacetyl)alaninate

Names are supplied by ChEBI. Trade names and related synonyms may describe a broader product context.

Classification & relationships

ChEBI ontology

racemateChEBI parent class · 60911 ↗acylamino acid fungicideChEBI parent class · 87013 ↗anilide fungicideChEBI parent class · 87015 ↗

organic molecular entity

Roles recorded in ChEBI

agrochemicalxenobioticenvironmental contaminant

Database role annotations describe reported biological or chemical roles; they are not product approvals or recommendations for use.

Mass ↔ amount of substance

Calculated from sourced mass

Amount

Input unit

Equivalent amount

0.00357997 mol

Uses 279.332 g/mol from ChEBI. Assumes the substance described by this record; no purity or concentration correction is applied.

Elemental composition

Theoretical mass fractions

C

Carbon · 15 atoms

64.50%

O

Oxygen · 4 atoms

22.91%

H

Hydrogen · 21 atoms

7.58%

N

Nitrogen · 1 atom

5.01%

Calculated theoretical mass fractions from the reported formula and PubChem periodic-table atomic masses. These are not assay or purity results.

Research & patent references

Selected source associations

Thiobutacin, a novel antifungal and antioomycete antibiotic from Lechevalieria aerocolonigenes. ↗Journal of natural products · 2004 Dec · PMID 15620255

Enantioselective bioaccumulation and toxic effects of metalaxyl in earthworm Eisenia foetida. ↗Chemosphere · 2011 May · PMID 21315406

DE2515091 · Patent reference ↗Patent cross-reference supplied by ChEBI. Association alone does not establish claim scope.

US4151299 · Patent reference ↗Patent cross-reference supplied by ChEBI. Association alone does not establish claim scope.

Search PubMed Google Scholar

Sources & record history

Checked 27 Sep 2026

Identity, formula, mass, synonyms & ontologyEMBL-EBI ChEBI · CHEBI:6790

Release 255, 9 September 2026. ChEBI three-star (manually annotated) source entry. View original record ↗ · CC BY 4.0

PubCAS formats source data, connects references and computes explicitly labelled conversions. CAS cross-references are supplied by ChEBI; they do not constitute CAS verification or endorsement.

How this record was assembled Suggest a correction