Selenium (Se) Back Catalog number: 57234 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 9351.6-250MG Isoniazid, neat, Solvent-neat, Unit 250mg, # of units-1, Cas.no. 54-85-3 Price on request 672848 Epoxiconazole, 250mg Price on request 0301.20-200-T 7,12-Dimethylbenz[a]anthracene, 200µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. 57-97-6 Price on request