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 2054.22-10MG Dibenzyl phthalate,neat,neat,10mg, Price on request 93886 8260B Purgeable Internal Standard Price on request 15900-2660-10CY10 Hexachlorobenzene (HCB), 10µg/ml in CY, 10ml Price on request