CheckVegan

Is cis-Non-2-enal vegetarian?

cis-Non-2-enal

Vegetarian Vegetarian
Vegan Vegan

2-Nonenal is an unsaturated aldehyde and a colorless liquid, an important aroma compound found in aged beer and buckwheat; the cis isomer is used as a fragrance/flavoring ingredient.

Also known as (Z)-Non-2-enal
INCI name cis-Non-2-enal
EC number 262-428-6
CosIng ID 40990
Last reviewed 9 July 2026

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

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