Parathion-methyl, 100 µg/ml, Toluene, 1ml Back Catalog number: 676228 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended 679379 Demeton-S-methyl-sulfone, 10 µg/ml, Cyclohexane, Price on request DF-LCS-B200 Mass-Labelled PCDD/PCDF Solution/Mixture, 1.2ml , nonane Price on request 677977 Ethion, 100 µg/ml, Toluene, 1ml Price on request