Selenium (Se) Back Catalog number: 58034 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 8860.8-K-IO 2-Methylthio-3-isopropylpyrazine, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-, Cas.no. Price on request 54157 Magnesium (Mg) Price on request 10433.19-10MG Flecainide acetate Price on request