Butyl 2-methylcrotonate (Z)

At a glance

Synthetic (Z)-butyl 2‑methylcrotonate, a petrochemical ester, offers bright green‑apple and pineapple fruitiness with a crisp, slightly tart character, used to impart fresh fruity top notes.

Category
⚗️ Synthetic
Origin
Synthetic, petrochemical origin
Extraction
Chemical synthesis
Chemical family
Alkyl ester
CAS number
7785-64-0
IFRA status
Not restricted
● drafted · last checked 2026-09-01