CheckVegan

Is Chlormadinone vegan?

Chlormadinone

Vegan Vegan
Vegetarian Vegetarian

Chlormadinone is a synthetic progestin hormone that was never marketed in its free form; its acetate derivative is used clinically. It is manufactured entirely through chemical synthesis.

Also known as Pregna-4,6-diene-3,20-dione, 6-chloro-17-hydroxy-
INCI name Chlormadinone
CAS number 1961-77-9
EC number 217-802-3
CosIng ID 81800
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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