4,4'-DDD, 250mg Back Catalog number: 677528 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended S-4058 Dibenzothiophene in Xylene S-4058 1000 µg/mL, 5x1mL ampoules Please request for diluted samples in the range 1 to 1000mg/mL. Price on request 676740 D8-4,4'-DDE, 100 µg/ml, Acetone, 1ml Price on request 681333 1,2,4-Trimethylbenzene, 1ml Price on request