U.S. Department of Health & Human Services Divider Arrow National Institutes of Health Divider Arrow NCATS

Details

Stereochemistry ACHIRAL
Molecular Formula O3S
Molecular Weight 80.063
Optical Activity NONE
Defined Stereocenters 0 / 0
E/Z Centers 0
Charge 0

SHOW SMILES / InChI
Structure of SULFUR TRIOXIDE

SMILES

O=S(=O)=O

InChI

InChIKey=AKEJUJNQAAGONA-UHFFFAOYSA-N
InChI=1S/O3S/c1-4(2)3

HIDE SMILES / InChI

Approval Year

Name Type Language
SULFUR TRIOXIDE
MI  
Systematic Name English
NISSO SULFAN
Preferred Name English
SULFURIC ANHYDRIDE
Systematic Name English
SULFUR OXIDE (SO3)
Common Name English
SULFUR TRIOXIDE [MI]
Common Name English
Code System Code Type Description
CAS
856577-62-3
Created by admin on Mon Mar 31 21:31:51 GMT 2025 , Edited by admin on Mon Mar 31 21:31:51 GMT 2025
SUPERSEDED
EPA CompTox
DTXSID1029673
Created by admin on Mon Mar 31 21:31:51 GMT 2025 , Edited by admin on Mon Mar 31 21:31:51 GMT 2025
PRIMARY
CHEBI
29384
Created by admin on Mon Mar 31 21:31:51 GMT 2025 , Edited by admin on Mon Mar 31 21:31:51 GMT 2025
PRIMARY
MESH
C011118
Created by admin on Mon Mar 31 21:31:51 GMT 2025 , Edited by admin on Mon Mar 31 21:31:51 GMT 2025
PRIMARY
WIKIPEDIA
SULFUR TRIOXIDE
Created by admin on Mon Mar 31 21:31:51 GMT 2025 , Edited by admin on Mon Mar 31 21:31:51 GMT 2025
PRIMARY
FDA UNII
HH2O7V4LYD
Created by admin on Mon Mar 31 21:31:51 GMT 2025 , Edited by admin on Mon Mar 31 21:31:51 GMT 2025
PRIMARY
PUBCHEM
24682
Created by admin on Mon Mar 31 21:31:51 GMT 2025 , Edited by admin on Mon Mar 31 21:31:51 GMT 2025
PRIMARY
ECHA (EC/EINECS)
231-197-3
Created by admin on Mon Mar 31 21:31:51 GMT 2025 , Edited by admin on Mon Mar 31 21:31:51 GMT 2025
PRIMARY
CAS
7446-11-9
Created by admin on Mon Mar 31 21:31:51 GMT 2025 , Edited by admin on Mon Mar 31 21:31:51 GMT 2025
PRIMARY
SMS_ID
300000053559
Created by admin on Mon Mar 31 21:31:51 GMT 2025 , Edited by admin on Mon Mar 31 21:31:51 GMT 2025
PRIMARY
MERCK INDEX
m10379
Created by admin on Mon Mar 31 21:31:51 GMT 2025 , Edited by admin on Mon Mar 31 21:31:51 GMT 2025
PRIMARY Merck Index
HSDB
6338
Created by admin on Mon Mar 31 21:31:51 GMT 2025 , Edited by admin on Mon Mar 31 21:31:51 GMT 2025
PRIMARY