154253
  -OEChem-02060822392D

  7  7  0     0  0  0  0  0  0999 V2000
   -0.2458    0.8603    0.0000 O   0  0  0  0  0  0  0  0  0  0  0  0
    1.4866    0.8825    0.0000 O   0  0  0  0  0  0  0  0  0  0  0  0
    0.6056    0.3539    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0
    0.6056   -0.6545    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0
   -1.1046    0.3539    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0
   -0.2458   -1.1416    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0
   -1.1046   -0.6545    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0
  1  3  1  0  0  0  0
  1  5  1  0  0  0  0
  2  3  2  0  0  0  0
  3  4  1  0  0  0  0
  4  6  1  0  0  0  0
  5  7  1  0  0  0  0
  6  7  1  0  0  0  0
M  END
> <PUBCHEM_COMPOUND_ID_TYPE>
0

> <PUBCHEM_TOTAL_CHARGE>
0

> <PUBCHEM_SUBSTANCE_ID>
154253

> <PUBCHEM_SUBSTANCE_VERSION>
3

> <PUBCHEM_EXT_DATASOURCE_NAME>
ChemIDplus

> <PUBCHEM_EXT_DATASOURCE_REGID>
000542289

> <PUBCHEM_SUBSTANCE_SYNONYM>
2H-Pyran-2-one, tetrahydro-
5-Valerolactone
542-28-9
AI3-25024
EINECS 208-807-1
NSC 6247
Penta-1,5-lactone
Pentanoic acid, 5-hydroxy-, delta-lactone
TETRAHYDRO-2H-PYRAN-2-ONE
Tetrahydro-2-pyranone
Valeric acid, delta-hydroxy-, delta-lactone
delta-Valerolactone
delta-Valeryllactone

> <PUBCHEM_GENERIC_REGISTRY_NAME>
542-28-9

> <PUBCHEM_XREF_EXT_ID>
000542289

> <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=000542289

> <PUBCHEM_CID_ASSOCIATIONS>
10953  1

$$$$