17a-Ethinylestradiol, certified, 0.25g Back Catalog number: C13245100 Availability: In the manufacturer's stock Price on request - + Recommended 680124 Pentachlorobenzene, 100 µg/ml, Cyclohexane, 1ml Price on request 8952.21-100-T 3-Chloro-1,2-propandiol-1-monooleate Price on request 675148 Chlorfenson, 100 µg/ml, Acetonitrile, 5ml Price on request