Selenium (Se) Back Catalog number: 58034 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 92481 Acetate Standard Price on request 1037.18-200-T 1-Ethylpyrene, 200µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. 17088-22-1 Price on request 678144 1,3,5-Trichlorobenzene, 250mg Price on request