Registration Dossier

Data platform availability banner - registered substances factsheets

Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.

The new ECHA CHEM database has been released by ECHA, and it now contains all REACH registration data. There are more details on the transition of ECHA's published data to ECHA CHEM here.

Diss Factsheets

Reference substances

Reference substances

IUPAC name:
tetrahydro-2H-pyran-2-one

Inventory

EC number:
208-807-1
EC name:
δ-valerolactone
CAS number:
542-28-9
CAS number:
542-28-9
Synonyms
Names:
2H-Pyran-2-one, tetrahydro-
Identifier:
IUPAC name
tetrahydro-2H-pyran-2-one
Identifier:
PubChem
2H-Pyran-2-one, tetrahydro-
Identifier:
PubChem
5-Valerolactone
Identifier:
PubChem
Delta-Valerolactone
Identifier:
PubChem
Oxan-2-one
Identifier:
PubChem
TETRAHYDRO-2H-PYRAN-2-ONE
Identifier:
other: InChl
InChI=1/C5H8O2/c6-5-3-1-2-4-7-5/h1-4H2
Identifier:
other: SMILES notation
O=C1CCCCO1
oxan-2-one

Molecular and structural information

Molecular formula:
C5H8O2
Molecular weight:
ca. 100.117
SMILES notation:
C1CCOC(=O)C1
InChl:
InChI=1S/C5H8O2/c6-5-3-1-2-4-7-5/h1-4H2
Structural formula:
Chemical structure

Related substances