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 680974 1-Dodecanol, 250mg Price on request ACQ-SE10-015 Ethanol standard in serum,1.0g/L,serum, 1.5mL Price on request 70888 Dichloroacetic acid Price on request