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Details

Stereochemistry ACHIRAL
Molecular Formula CH4O3S
Molecular Weight 96.106
Optical Activity NONE
Defined Stereocenters 0 / 0
E/Z Centers 0
Charge 0

SHOW SMILES / InChI
Structure of HYDROXYMETHANESULFINIC ACID

SMILES

OCS(O)=O

InChI

InChIKey=SBGKURINHGJRFN-UHFFFAOYSA-N
InChI=1S/CH4O3S/c2-1-5(3)4/h2H,1H2,(H,3,4)

HIDE SMILES / InChI

Molecular Formula CH4O3S
Molecular Weight 96.106
Charge 0
Count
Stereochemistry ACHIRAL
Additional Stereochemistry No
Defined Stereocenters 0 / 0
E/Z Centers 0
Optical Activity NONE

Hydroxymethanesulfinic acid is an organic acid. Sodium salt of hydroxymethanesulfinic acid (rongalite) is widely used in organic synthesis. It can be used as a reducing agent for elemental selenium and tellurium, diselenides, α‐halo ketones, and aromatic aldehydes; yields symmetrical sulfones with primary halides and with Michael acceptors.

Approval Year

PubMed

PubMed

TitleDatePubMed
Design and synthesis of benzosultine-sulfone as a o-xylylene precursor via cross-enyne metathesis and rongalite: further expansion to polycyclics via regioselective Diels-Alder reaction.
2010-06-18
Differential reactivity pattern of hybrid o-quinodimethane precursors: strategic expansion to annulated benzocycloalkanes via rongalite.
2009-08-07
Isotachophoretic determination of hydrosulfite and metabisulfite in technical samples.
2007-11-30
Patents
Substance Class Chemical
Created
by admin
on Mon Mar 31 18:25:41 GMT 2025
Edited
by admin
on Mon Mar 31 18:25:41 GMT 2025
Record UNII
M049N73196
Record Status Validated (UNII)
Record Version
  • Download
Name Type Language
HYDROXYMETHANESULFINIC ACID
Preferred Name English
Code System Code Type Description
EPA CompTox
DTXSID7048083
Created by admin on Mon Mar 31 18:25:41 GMT 2025 , Edited by admin on Mon Mar 31 18:25:41 GMT 2025
PRIMARY
NCI_THESAURUS
C45678
Created by admin on Mon Mar 31 18:25:41 GMT 2025 , Edited by admin on Mon Mar 31 18:25:41 GMT 2025
CONCEPT Industrial Aid
FDA UNII
M049N73196
Created by admin on Mon Mar 31 18:25:41 GMT 2025 , Edited by admin on Mon Mar 31 18:25:41 GMT 2025
PRIMARY
ECHA (EC/EINECS)
201-189-4
Created by admin on Mon Mar 31 18:25:41 GMT 2025 , Edited by admin on Mon Mar 31 18:25:41 GMT 2025
PRIMARY
NCI_THESAURUS
C77471
Created by admin on Mon Mar 31 18:25:41 GMT 2025 , Edited by admin on Mon Mar 31 18:25:41 GMT 2025
PRIMARY
CAS
79-25-4
Created by admin on Mon Mar 31 18:25:41 GMT 2025 , Edited by admin on Mon Mar 31 18:25:41 GMT 2025
PRIMARY
SMS_ID
100000174593
Created by admin on Mon Mar 31 18:25:41 GMT 2025 , Edited by admin on Mon Mar 31 18:25:41 GMT 2025
PRIMARY
PUBCHEM
9000
Created by admin on Mon Mar 31 18:25:41 GMT 2025 , Edited by admin on Mon Mar 31 18:25:41 GMT 2025
PRIMARY
Related Record Type Details
SALT/SOLVATE -> PARENT
SALT/SOLVATE -> PARENT
SALT/SOLVATE -> PARENT
Related Record Type Details
ACTIVE MOIETY