CheckVegan

Is Chlormadinone vegetarian?

Chlormadinone

Vegetarian Vegetarian
Vegan Vegan

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 vegetarian if it avoids components derived from killing an animal.

Classifications are made to the best of our knowledge based on available scientific and regulatory sources. We cannot guarantee the accuracy of every entry, errors in the sources we draw from can always occur. This tool also cannot account for cross-contamination, which depends entirely on individual suppliers and producers. If you believe a classification is incorrect, you can report an issue.

Report an issue