Ethynylestradiol (20,21-13C2,99%) 100 µg/mL in Acetonitrile, 1,2ml Back Catalog number: CLM-3375-1.2 Availability: In the manufacturer's stock Price on request - + Recommended 32931 n-Heptane Price on request X23106300CY Chloroparaffin C10-C13 63% Cl, 100µg/ml in CY, 10ml Price on request 71306 Dinonyl phthalate Price on request