Chlorpropham, 100 µg/ml, Acetonitrile, 1ml Back Catalog number: 676238 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended EPA-23ISS Internal Standard Stock Solution, 1.2ml, nonane Price on request 8354.12 3-Hydroxy-2,2',3,4',5,5',6-heptachlorobiphenyl, Please inquire, Solvent-, Unit , # of units-, Cas.no. Price on request 2608.20-5MG 1,2,3,6,7,8,9,10,11,12-Decahydrobenz[e]pyrene, neat, Solvent-neat, Unit 5mg, # of units-1, Cas.no. 92387-50-3 Price on request