Selenium (Se) Back Catalog number: 57234 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 3452.9-100 Metobromuron, 100µg/mL, Solvent-c.hexane or ac.nitrile, Unit 1mL, # of units-1, Cas.no. 3060-89-7 Price on request EPA-1240 1,3,5-Trichlorobenzene 1000µg/mL in Hexane, 1ml Price on request 2704.12-100-ME 1-Ethyl-4-(2-methylpropyl)benzene, 100µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 100319-40-2 Price on request