4,4'-DDD, 100 µg/ml, Toluene, 5ml Back Catalog number: 675989 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended 51139 NWTPH-Gx Surrogate Mix Price on request 11134.5-10MG Hexachlorocyclopentadiene,,,, Price on request C13213000 17-alpha-Estradiol, certified, 0.1g Price on request