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Is 9-Undecenal vegan?

9-Undecenal

Vegan

9-Undecenal is a synthetic or naturally occurring aldehyde with 11 carbon atoms, used as a fragrance ingredient.

Also known as Undec-9-enal
INCI name 9-Undecenal
CAS number 143-14-6
EC number 205-586-3
CosIng ID 41268
Last reviewed 4 July 2026

Sources

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