4,4'-DDE, 100 µg/ml, Acetonitrile, 5ml Back Catalog number: 678380 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended EPA-8280ISB Additional Internal Standard Solution, 1.2ml, toluene Price on request TCHLORD trans-Chlordane (g), 1.2mL x 100ug/mL, nonane Price on request 12059.22-5MG Dexamethasone-4,6alpha,21,21-d4,neat,neat,5mg Price on request