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Is Isopropyl 3-Methylthiocrotonate vegetarian?

Isopropyl 3-Methylthiocrotonate

Vegetarian Vegetarian
Vegan Vegan

Isopropyl 3-methylthiocrotonate is a synthetic sulfur-containing ester used as a fragrance ingredient in perfumery.

Also known as S-Isopropyl 3-methylthiocrotonate
INCI name Isopropyl 3-Methylthiocrotonate
CAS number 34365-79-2
EC number 251-966-7
CosIng ID 39733
Last reviewed 9 July 2026

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

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