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 83530 Triclopyr Price on request 70118 1,4-Dichlorobenzene-d4 Price on request 79129 2,3,5,6-Tetrachlorophenol Price on request