2H-Pyran-2-one, tetrahydro-6-methyl- 5-Hexalactone 5-Hydroxyhexanoic acid lactone 5-Methyl-5-hydroxypentanoic acid lactone 5-Methyl-delta-valerolactone 6-METHYLTETRAHYDRO-2-PYRANONE 6-Methylvalerolactone 823-22-3 EINECS 212-511-8 FEMA No. 3167 Hexalactone, delta- Hexanoic acid, 5-hydroxy-, lactone Tetrahydro-6-methyl-2H-pyran-2-one delta-Caprolactone delta-Hexalactone delta-Methyl-delta-valerolactone