Purchase Qty. Reference FOB Price
10-49 Gram US$7.80
50-99 Gram US$6.80
100+ Gram US$4.80
Product Description
Welgreen High Quality Pharmaceutical Grade Raw Materials 99% Estriol 50-27-1 Estriol is a natural hormone, a metabolite of estradiol in the body, mainly found in urine. The activity of estrogen is small, and the oral activity is about 6 times that of estrone, but it is weaker than estradiol ...