Paraoxon-ethyl, 100 µg/ml, Cyclohexane, 5ml Back Catalog number: 673882 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended 677989 Pirimiphos-methyl, 100 µg/ml, Toluene, 1ml Price on request 1848.12-100MG 2,6-Naphthalenedicarboxylic acid, neat, Solvent-neat, Unit 100mg, # of units-1, Cas.no. 1141-38-4 Price on request PAH-ISS-B PAH Internal Standard Spiking Solution, 1.2ml, isooctane Price on request