Prothiofos, 100 µg/ml, Ethyl acetate, 5ml Back Catalog number: 673684 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended 8351.15 Di-2,4-dinitrophenylhydrazonepyruvaldehyde, Please inquire, Solvent-, Unit , # of units-, Cas.no. Price on request DS-1000 Mass-Labelled PCDD Solution/Mixture, 1.2ml, nonane Price on request NIST-1947 Lake Michigan fish tissue -Org. contaminants, 5x8g Price on request