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5-Butyl-4-methyldihydrofuran-2(3H)-one

At a glance

According to The Good Scents Company, this material has an odor type of tonka, with descriptor tags: tonka, coumarinic, coconut, toasted, nutty, celery, burnt, coumarinic, coconut, lactonic, woody, maple, lovage, toasted, nutty. (CAS 39212-23-2)

Why synthetics aren't a downgrade — a different toolkit → · Why some materials get IFRA-restricted →

Category
⚗️ Synthetic
Extraction
Chemical synthesis
Chemical family
Furan/Heterocyclic
CAS number
39212-23-2
Structure
2D molecular structure of 5-Butyl-4-methyldihydrofuran-2(3H)-one
Profile
tonka, coumarinic, coconut, toasted, nutty, celery, burnt, coumarinic, coconut, lactonic, woody, maple, lovage, toasted, nutty
IFRA status
Not restricted
Related nodes Part of the Amaranth Wood note Part of the Apple Tree Wood note Part of the Cashmeran Wood note Part of the Cashmere Wood note Part of the Coconut note Part of the Coconut Accord note Part of the Coconut Nectar note Part of the Dry Wood note Part of the Fig Tree Wood note Part of the Guaiac Wood note +10 more
● drafted · last checked 2026-09-01