19(R)-hydroxy Prostaglandin F2α from Cayman Chemical

19(R)-hydroxy PGF2α is an ω-1 hydroxylase metabolite of PGF2α found in human semen. The concentration of 19(R)-hydroxy PGF compounds (F2α and F1α together) in fresh human semen is about 20 µg/ml.{497} 19(R)-hydroxy PGF2α exhibits no activity at the FP receptor of the cat iris sphincter muscle at concentrations up to 1 µM.{1441}