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 0052.17-200-T Benzo[a]fluoren-11-one, 200µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. 479-79-8 Price on request 674481 Citrate-Extraction-Mix Price on request 678408 Fenchlorphos, 100 µg/ml, Acetonitrile, 5ml Price on request