CheckVegan

Is Trengestone vegan?

Trengestone

Vegan Vegan
Vegetarian Vegetarian

Trengestone is a synthetic progestin medication formerly marketed under brand names such as Reteroid and Retroid, used to treat menstrual disorders. It is chemically known as 6-chloro-9beta,10alpha-pregna-1,4,6-triene-3,20-dione.

Also known as 6-Chloro-9beta,10alpha-pregna-1,4,6-triene-3,20-dione
INCI name Trengestone
CAS number 5192-84-7
EC number 225-978-8
CosIng ID 81829
Last reviewed 10 July 2026

An ingredient is considered vegan if it contains no animal-derived components at any point in its production.

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