CAS Registry Number 3393-45-1
Name:
2H-​Pyran-​2-​one, 5,​6-​dihydro-
2-Pentenoic acid, 5-hydroxy-, δ-lactone (6CI,7CI)
5,6-Dihydro-2-pyranone
5,6-Dihydro-2H-pyran-2-one
5,6-Dihydro-α-pyrone
δ-2-Pentenolide

Chemical Formula: C5H6O2
Exact Mass: 98.04
Molecular Weight: 98.10
m/z: 98.04 (100.0%), 99.04 (5.6%)

InChI:InChI=1S/C5H6O2/c6-5-3-1-2-4-7-5/h1,3H,2,4H2

Specification

98%

1. (3) Haynes, L. J.; Journal of the Chemical Society 1946, P954-7 CAPLUS