Also available in 1 mL, 2 mg, 5 mg, 10 mg, 50 mg, 100 mg, 200 mg and bulk. Please contact Fisher for quotes. Taprenepag (CP-544326) (CP-544326) is a potent and selective prostaglandin E2 receptor agonist (EC50 = 2.8 nM). Taprenepag has been used in trials studying the treatment of Ocular Hypertension and Glaucoma, Open-Angle. Purity 99.32%