Selenium (Se) Back Catalog number: 58134 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 1011.4-1G 1,3-Dithiane, neat, Solvent-neat, Unit 1g, # of units-1, Cas.no. 505-23-7 Price on request 95716 Method 1005 Window Standard Price on request 684868 2-Chloro-6-methylaniline, 250mg Price on request