WhatsApp:+8618928439036 Estriol raw materials CAS:50-27-1

WhatsApp:+8618928439036 Estriol raw materials CAS:50-27-1

Estriol is a hydroxylated metabolite of ESTRADIOL or ESTRONE that has a hydroxyl group at C3, 16-alpha, and 17-beta position. Estriol is a major urinary estrogen. During PREGNANCY, a large amount of estriol is produced by the PLACENTA. Isomers with inversion of the hydroxyl group or groups are called epiestriol.
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