4,7-Methano-3aH-indene-3a-carboxylic acid, octahydro-, ethyl ester

At a glance

A synthetic fragrance ingredient used to add depth and warmth to perfumes It is valued by perfumers for this distinctive character and used as a building block within larger fragrance compositions.

Category
⚗️ Synthetic
Origin
Laboratory production
Extraction
Chemical synthesis
Chemical family
Acid
CAS number
129520-41-8
Profile
woody, dry, slightly sweet
IFRA status
Not restricted
● drafted · last checked 2026-09-01