2-Butanone, 5ml Back Catalog number: 680149 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended 2971.14-100-IO 1,1,1-Trichloro-2,2-bis(4-chlorophenyl-d4)ethane, 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 93952-18-2 Price on request 1303.8-100-ME 3,4,4-Trimethyl-trans-2-pentene, 100µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 39761-57-4 Price on request 52068 Spiking Standard Kit Price on request