Selenium (Se) Back Catalog number: 50478 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 2208.18-10MG 3-Fluoro-2-hydroxychrysene, neat, Solvent-neat, Unit 10mg, # of units-1, Cas.no. Price on request YA20950025AB PAH Mix-25, 2000ng/µl in Acetone/Benzene, 1ml Price on request 33141 trans-1,3-Dichloro-1-propene Price on request