Paraoxon-ethyl, 10 µg/ml, Cyclohexane, 10ml Back Catalog number: 673881 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended 90497 Carbazole Price on request DF-LCS-A200 Mass-Labelled PCDD/PCDF Solution/Mixture , 1.2ml , nonane Price on request 680085 2,3,5-Trichloroaniline, 10mg Price on request