Equilenin

Equilenin is a 3-hydroxy steroid that is estrone which carries two double bonds at positions 6 and 8. It is found in the urine of pregnant mare’s and extensively used for estrogen replacement therapy in postmenopausal women. Among its listed roles, it functions as a antioxidant and a mammalian metabolite. It is a 17-oxo steroid and a 3-hydroxy steroid. It is grouped under the following drug class(es): Estrogens. The directory classifies it as a commercial API with a natural source/manufacturing origin. Other names for this substance include Equilenine and d-Equilenin. It is also listed for alternate use as: API Impurity. Its PubChem CID is 444865.

CAS No 517-09-9
Molecular Formula C18H18O2
Molecular Weight 266.30 g/mol
Synonyms (13S,14S)-3-hydroxy-13-methyl-12,14,15,16-tetrahydro-11H-cyclopenta[a]phenanthren-17-one

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