Chlorpyrifos, 100µg/mL in MeOH, 1ml Back Catalog number: 64688 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 1873.8-K-CY 4-Methylheptane, 1000µg/mL, Solvent-cyclohexane, Unit 1mL, # of units-1, Cas.no. 589-53-7 Price on request DF-LCS-A200 Mass-Labelled PCDD/PCDF Solution/Mixture, 200ng/ml in Nonane, 1,2ml Price on request 682214 Metribuzin-diketo, 100 µg/ml, Acetonitrile, 1ml Price on request