CHEBI:49900 - arsenous acid

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ChEBI Name arsenous acid
ChEBI ID CHEBI:49900
Definition An arsenic oxoacid consisting of three hydroxy groups attached to a central arsenic atom.
Stars This entity has been manually annotated by the ChEBI Team.
Secondary ChEBI IDs CHEBI:49899, CHEBI:22635
Supplier Information ChemicalBook:CB52514647, eMolecules:32176671, Selleckchem:AC-220, ZINC000043204002
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Formula AsH3O3
Net Charge 0
Average Mass 125.94362
Monoisotopic Mass 125.92981
InChI InChI=1S/AsH3O3/c2-1(3)4/h2-4H
InChIKey GCPXMJHSNVMWNM-UHFFFAOYSA-N
SMILES O[As](O)O
Roles Classification
Chemical Role(s): inorganic acid
A Bronsted acid derived from one or more inorganic compounds. Inorganic acids (also known as mineral acids) form hydrons and conjugate base ions when dissolved in water.
(via pnictogen oxoacid )
Bronsted acid
A molecular entity capable of donating a hydron to an acceptor (Bronsted base).
(via oxoacid )
View more via ChEBI Ontology
ChEBI Ontology
Outgoing arsenous acid (CHEBI:49900) is a arsenic oxoacid (CHEBI:33407)
arsenous acid (CHEBI:49900) is conjugate acid of arsenite(1−) (CHEBI:29242)
Incoming arsenite(1−) (CHEBI:29242) is conjugate base of arsenous acid (CHEBI:49900)
IUPAC Names
trihydrogen trioxoarsenate(3−)
trihydroxidoarsenic
trioxoarsenic acid
Synonyms Sources
[As(OH)3] IUPAC
Arsenic trioxide KEGG COMPOUND
arsenous acid IUPAC
arsenous acid ChEBI
arsorous acid IUPAC
As(OH)3 IUPAC
H3AsO3 IUPAC
TRIHYDROXYARSENITE(III) PDBeChem
Manual Xrefs Databases
c0532 UM-BBD
C06697 KEGG COMPOUND
C13619 KEGG COMPOUND
D02106 KEGG DRUG
DB04456 DrugBank
TAS PDBeChem
View more database links
Registry Numbers Types Sources
1327-53-3 CAS Registry Number KEGG COMPOUND
13464-58-9 CAS Registry Number ChemIDplus
1397624 Gmelin Registry Number Gmelin
Last Modified
28 July 2014