Fenthion-sulfoxide, 100 µg/ml, Toluene, 5ml Back Catalog number: 675994 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended 679459 4,4'-DDE, 100 µg/ml, Methanol, 1ml Price on request 92882 RMA Verification Standard Price on request 8216.12-K-AN Pivaldehyde-PFOA derivative, 1000µg/mL, Solvent-acetonitrile, Unit 1mL, # of units-1, Cas.no. Price on request