Cinnamyl cinnamate

Say itSIN-uh-mil SIN-uh-mayt

Very faint, sweet balsamic and softly floral-resinous.

What it is: A molecule made in a lab.
Where it comes from: natural constituent of storax (styrax) balsam
When you smell it: Dry-down: what stays.
What perfumers do with it: Near-odorless balsamic fixative used to extend ambers and heavy orientals.
Worth knowing: Its old name, styracin, records where chemists first found it: storax balsam.
Also called: Styracin

Not on the label of any of the 1080 perfumes read so far.