Heptanoic acid

At a glance

Heptanoic acid (enanthic acid) is a synthetically produced C7 fatty acid with a sharp, rancid, cheesy, fatty odor, used to add animalic and sour notes in perfumery.

Category
⚗️ Synthetic
Origin
chemical synthesis
Extraction
Chemical synthesis
Chemical family
Acid
CAS number
111-14-8
Profile
fresh, fruity, slightly herbal
IFRA status
Not restricted
● drafted · last checked 2026-09-01