4,4'-DDD, 100 µg/ml, Ethyl acetate, 5ml Back Catalog number: 673530 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended 11275.12-100-AN Promecarb-d3-(N-methoxy-d3),100 µg/mL,acetonitrile,1mL, Price on request 677927 Sulfotep, 10.0 µg/ml, Ethyl acetate, 10ml Price on request 52016 Calibration Standards Set Price on request