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 79639 Fluoranthene Price on request 673877 Chloridazon-desphenyl, 10.0 µg/ml, Acetonitrile, Price on request 59171 Calibration Standard Price on request