Selenium (Se) Back Catalog number: 57134 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 1941.6-1ML N-Methyl-N-(trimethylsilyl)trifluoroacetamide, neat, Solvent-neat, Unit 1mL, # of units-1, Cas.no. 24589-78-4 Price on request 33052 1,2-Dibromoethane Price on request 32411 Tetrachloroethene Price on request