Compound
methylarsonous acid
A one-carbon compound that is arsonous acid in which the hydrogen attached to arsenic is replaced by a methyl group.
Definition from ChEBI (CHEBI:17826), read 2026-09-23. CC BY 4.0.
Structure
No three-dimensional record for this entry.
- Class
- Organic compound
- Formula
- CH5AsO2
- Mass
- 123.971 g/mol
- Charge
- 0
- InChIKey
- OXBIRPQQKCQWGV-UHFFFAOYSA-N
- SMILES
- C[As](O)O
- Look it up
- ChEBIBy InChIKey
Identity from ChEBI. Not evidence.
What it touches on the way
Mechanistic reach
4 entities
4 entities reached.
0 reported hops4 assembled from the scaffold
What the reference databases state
Statements
6 statements
6 statements · 1 reference database · Subject: methylarsonous acid · Sources: Rhea
- methylarsonous acid is converted to dimethylarsinateCompoundRhea RHEA:11684Inferred only
- dimethylarsinate is converted to methylarsonous acidCompoundRhea RHEA:11684Inferred only
- methylarsonous acid is metabolised by GSTO1ProteinRhea RHEA:15969Inferred only
- methylarsonous acid is metabolised by GSTO2ProteinRhea RHEA:15969Inferred only
- methylarsonous acid is a substrate of AS3MTProteinRhea RHEA:69460Inferred only
- methylarsonous acid is a substrate of HEMK2ProteinRhea RHEA:11684Inferred only
Reactions
4 reactions
methylarsonous acid+S-adenosyl-L-methioninedimethylarsinate+S-adenosyl-L-homocysteine+2hydron
Catalysed by HEMK2
Reaction pageDirection not assertedBalanced
Rhea RHEA:11684CC BY 4.0Reference data
methylarsonate+2glutathione+hydronmethylarsonous acid+glutathione disulfide+water
Reaction pageDirection not assertedBalanced
Rhea RHEA:15969CC BY 4.0Reference data
arsenic triglutathione+[thioredoxin]-dithiol+S-adenosyl-L-methionine+2watermethylarsonous acid+[thioredoxin]-disulfide+3glutathione+S-adenosyl-L-homocysteine+hydron
Catalysed by AS3MT
Reaction pageDirection not assertedBalance undeterminable
Rhea RHEA:69460CC BY 4.0Reference data
methylarsonous acid+AH2+dioxygenCHEBI:29242+methanol+A+hydron
Reaction pageDirection not assertedBalanced
Rhea RHEA:82323CC BY 4.0Reference data
Other names
7 names
Resolves to: methylarsonous acid
- Also called
- MeAs(OH)2Methanearsonous acidMethylarsoniteMma(III)MMAIIImonomethylarsenous acidMonomethylarsonous acid