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 79668 2,6-Dimethylnaphthalene Price on request 681243 Flucetosulfuron, 25mg Price on request 33131 cis-1,3-Dichloro-1-propene Price on request