Estrone (E1 and also oestrone) is an estrogenic hormone secreted by the ovary as well as adipose tissue with the chemical name of 3-hydroxyestra-135(10)-triene-17-one and the chemical formula C18H22O2. Estrone is an odorless solid crystalline powder white in color with a melting point of 254.5 °C and a specific gravity of 1.23. Estrone is one of several natural estrogens which also include estriol and estradiol.
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ATC prefix
G03
ATC suffix
CA07
CAS number
53-16-7
ChEBI
17263
DrugBank
DB00655
FDA UNII code
2DI9HA706A
IUPAC name
(8R9S13S14S)-3-hydroxy-13-methyl- 6789111213141516- decahydrocyclopenta[a]phenanthren- 17- one
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