Silicon (Si) Back Catalog number: 58114 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 3626.34-50-MX Fumonisin B3, 50µg/mL, Solvent-acetonitrile/water (50/50), Unit 1mL, # of units-1, Cas.no. 136379-59-4 Price on request 50804 Calion Internal Standard Price on request 50155 Multi-Elements Mix Price on request