2,4-DB, 100 µg/ml, Acetonitrile, 1ml Back Catalog number: 677418 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended 1293.20-10MG 9,10-Dihydrobenzo[a]pyren-7(8H)-one, neat, Solvent-neat, Unit 10mg, # of units-1, Cas.no. 3331-46-2 Price on request 2715.9-10MG Perfluorononanoic acid Price on request 81801 EPA Method 608 Pesticides Price on request