4-Methylpentanoic acid

At a glance

According to The Good Scents Company, this material has an odor type of cheesy, with descriptor tags: pungent, cheesy. (CAS 646-07-1) It is valued by perfumers for this distinctive character and used as a building block within larger fragrance compositions.

Category
⚗️ Synthetic
Extraction
Chemical synthesis
Chemical family
Acid
CAS number
646-07-1
Profile
pungent, cheesy
IFRA status
Not restricted
● drafted · last checked 2026-09-01