2,4'-DDD, 100 µg/ml, Methanol, 1ml Back Catalog number: 679456 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended 2773.5-100-AN Atrazine-desisopropyl, 100µg/mL, Solvent-acetonitrile, Unit 1mL, # of units-1, Cas.no. 1007-28-9 Price on request 79444 Methyl isothiocyanate Price on request 14500-0370-10CY10 Chrysene, 10μg/ml in Cyclohexane, 10ml Price on request