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 93334 Sulfur Price on request 675769 Isocarbophos, 10.0 µg/ml, Ethyl acetate, 10ml Price on request 57056X Barium (Ba) Price on request