Is Dienestrol vegetarian?
Dienestrol
Dienestrol is a synthetic nonsteroidal estrogen of the stilbestrol group, used to treat menopausal symptoms. It is a close structural analogue of diethylstilbestrol and was marketed under names such as Synestrol and Cycladiene.
| Also known as | Dienoestrol, Phenol, 4,4'-(1,2-diethylidene-1,2-ethanediyl)bis- |
|---|---|
| INCI name | Dienestrol |
| CAS number | 84-17-3 |
| EC number | 201-519-7 |
| CosIng ID | 81835 |
| Last reviewed | 10 July 2026 |
An ingredient is considered vegetarian if it avoids components derived from killing an animal.
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