Selenium (Se) Back Catalog number: 56134 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 0421.18-150-CY n-Octadecane, ?13C: -30.71, 150µg/mL, Solvent-cyclohexane, Unit 1mL, # of units-1, Cas.no. 593-45-3 Price on request DBDPE 1,2-Bis(pentabromophenyl)ethane, 1.2ml x 25ug/ml, toluene Price on request 679088 2,4'-Methoxychlor, 10mg Price on request