(1a,2a,5a)-2,5-dimethylcyclohex-3-ene-1-carbaldehyde

At a glance

(1a,2a,5a)-2,5-dimethylcyclohex-3-ene-1-carbaldehyde is a synthetic fragrance ingredient prepared by Diels‑Alder reaction followed by oxidation, delivering a crisp woody‑green opening that evolves into a dry, paper‑like dry‑down.

Category
⚗️ Synthetic
Origin
synthetic
Extraction
Chemical synthesis
Chemical family
Aldehyde
CAS number
35145-02-9
IFRA status
Restricted, concentration limits under IFRA standards (listed as "Dimethylcyclohex-3-ene-1-carbaldehyde (mixed isomers)", CAS 35145-02-9)
● drafted · last checked 2026-09-03