Methyl thiobutyrate

At a glance

Methyl thiobutyrate is a synthetic fragrance ingredient used to add sulfurous, garlic-like notes to perfumes It is valued by perfumers for this distinctive character and used as a building block within larger fragrance compositions.

Category
⚗️ Synthetic
Origin
synthetic production
Extraction
Chemical synthesis
Chemical family
Ester
CAS number
2432-51-1
Profile
sulfurous, pungent, alliaceous
IFRA status
Not restricted
● drafted · last checked 2026-09-01