Selenium (Se) Back Catalog number: 56134 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended MDD-2 2-Chloro[13C12]dibenzo-p-dioxin, 1.2ml x 50ug/ml, toluene Price on request 8353.12-50-IO 3'-Fluoro-2,2',4,5,5'-pentachlorobiphenyl, 50µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. Price on request 95411 Nitrobenzene Price on request