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 70028 Benzo(a)anthracene Price on request 2042.8-100MG n-Perfluorooctanoic acid,neat,neat,100mg, Price on request 1806.12-1G 2-Phenylphenol, neat, Solvent-neat, Unit 1g, # of units-1, Cas.no. 90-43-7 Price on request