4,7-Octadienoic acid, methyl ester, (4E)-
At a glance
Synthetic methyl (E)-4,7‑octadienoate is a volatile ester with bright fruity‑green notes reminiscent of apple and pineapple, used as a top‑note in perfumery.
Why synthetics aren't a downgrade — a different toolkit → · Why some materials get IFRA-restricted →