4,4'-DDD, 100 µg/ml, Acetonitrile, 5ml Back Catalog number: 678378 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended 680356 D6-Chlorpyrifos-methyl, 10mg Price on request 684463 Pydiflumetofen, 100 µg/ml, Acetonitrile, 1ml Price on request EPA-1668IS Internal Standard Stock Solution, 1.2ml, nonane Price on request