Estriol-d3 3-O-Sulfate Sodium Salt is the labeled analogue of Estriol 3-O-Sulfate Sodium Salt (E888990), a derivative of Estriol (E888960); a metabolite of Estradiol that is considerably less potent than Estradiol itself.
1,3,5[10]-ESTRATRIENE-3,16ALPHA,17BETA-TRIOL 3-SULFATE SODIUM SALT Supplier