2,4'-DDD, 100 µg/ml, Ethyl acetate, 5ml Back Catalog number: 673528 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended 54143 Calcium Hardness Price on request 2951.12-100-T Isoproturon-d3 (N-methyl-d3), 100µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. 352438-80-3 Price on request 673396 Nitenpyram, 10 µg/ml, Acetonitrile, 10ml Price on request