Selenium (Se) Back Catalog number: 57834 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 677675 4-Ethylphenol, 100 µg/ml, Methanol, 1ml Price on request 15900-3490-100AN5 Napropamide, 100µg/ml in Acetonitrile, 5ml Price on request 3119.10-50-IO 2,7-Dibromonaphthalene, 50µg/mL, Solvent-Isooctane, Unit 1mL, # of units-1, Cas.no. 58556-75-5 Price on request