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 675851 Pyridaphenthion, 10.0 µg/ml, Ethyl acetate, 10ml Price on request 96728 alpha-Ketoglutaric acid Price on request 71108 1-Methoxy-2-propanol, 1000µg/ml in MeOH, 1ml Price on request