Selenium (Se) Back Catalog number: 58034 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 673660 Permethrin, 100 µg/ml, Ethyl acetate, 5ml Price on request 10170.24-K-IO 4-tert-Octylphenol 5EO, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. Price on request 1289.17-100-AN gamma-Oxo- alpha-methyl-2-dibenzothiophenebutyric acid, 100µg/mL, Solvent-acetonitrile, Unit 1mL, # of units-1, Cas.no. 26139-07-1 Price on request