D8-4,4'-DDE, 100 µg/ml, Acetone, 1ml Back Catalog number: 676740 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended 3125.19-100-IO Benzyl-n-butyl phthalate-d4, 100µg/ml in IO, 1ml Price on request 672822 Carbofuran, 250mg Price on request 10913.10-100-ME Sulfamethoxazole-d4 (benzene-d4),100 µg/mL,MeOH,1mL Price on request