Is Pentamethyl Octahydroindenodioxane vegetarian?

Pentamethyl Octahydroindenodioxane is a synthetic fragrance/musk ingredient chemically described as indeno[4,5-d]-1,3-dioxin,4,4a,5,6,7,8,9,9b-octahydro-7,7,8,9,9-pentamethyl.

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

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