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Is Trimethylbicyclo-3-Hepten-2-one vegetarian?

Trimethylbicyclo-3-Hepten-2-one

Vegetarian Vegetarian
Vegan Vegan

Trimethylbicyclo-3-Hepten-2-one, also known as nopinone-related terpenoid ketone, is a synthetic or naturally derived compound used as a fragrance ingredient.

Also known as (1R)-4,6,6-Trimethylbicyclo[3.1.1]hept-3-en-2-one
INCI name Trimethylbicyclo-3-Hepten-2-one
CAS number 18309-32-5
EC number 242-195-7
CosIng ID 41167
Last reviewed 9 July 2026

An ingredient is considered vegetarian if it avoids components derived from killing an animal.

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