Whiskey Lactone Necklace

This isomer is an important ingrediant in the aroma of whiskey(where it was first identified by Suomalainen and Nykänen in 1970), and other alcoholic beverages that have been aged in oak barrels. It is extracted from the alcoholic beverage from some precursor substances in oak wood. It can be synthesized from a cyclopentane derivative.
Name: 3-Methyl-4-octanolide or quercus lactone
Molecular Formula: C9H16O2

• Chain is 18 inches 
• Charm is 1.5 inches long