166542
  -OEChem-02060822392D

  4  3  0     0  0  0  0  0  0999 V2000
    0.0207   -0.0310    0.0000 S   0  3  0  0  0  0  0  0  0  0  0  0
    0.8966   -0.5069    0.0000 O   0  5  0  0  0  0  0  0  0  0  0  0
    0.0207    1.0483    0.0000 O   0  0  0  0  0  0  0  0  0  0  0  0
   -0.9414   -0.5069    0.0000 O   0  0  0  0  0  0  0  0  0  0  0  0
  1  2  1  0  0  0  0
  1  3  2  0  0  0  0
  1  4  2  0  0  0  0
M  CHG  2   1   1   2  -1
M  END
> <PUBCHEM_COMPOUND_ID_TYPE>
0

> <PUBCHEM_TOTAL_CHARGE>
0

> <PUBCHEM_SUBSTANCE_ID>
166542

> <PUBCHEM_SUBSTANCE_VERSION>
3

> <PUBCHEM_EXT_DATASOURCE_NAME>
ChemIDplus

> <PUBCHEM_EXT_DATASOURCE_REGID>
007446119

> <PUBCHEM_SUBSTANCE_SYNONYM>
7446-11-9
EINECS 231-197-3
HSDB 6338
NA1829
SULFUR TRIOXIDE
Sulfan
Sulfur oxide
Sulfur trioxide, inhibited or Sulfur trioxide, stabilized [UN1829]  [Corrosive]
Sulfur trioxide, stabilized
Sulfur trioxide, uninhibited [NA1829]  [Corrosive]
Sulfuric anhydride
Sulfuric oxide
Sulphur trioxide
UN1829

> <PUBCHEM_GENERIC_REGISTRY_NAME>
7446-11-9

> <PUBCHEM_XREF_EXT_ID>
007446119

> <PUBCHEM_EXT_DATASOURCE_URL>
http://chem.sis.nlm.nih.gov/chemidplus/

> <PUBCHEM_EXT_SUBSTANCE_URL>
http://chem.sis.nlm.nih.gov/chemidplus/direct.jsp?result=advanced&regno=007446119

$$$$