N,N'-Diphenyl-1,4-phenylenediamine, 250mg Back Catalog number: 677669 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended 11857.10-K-ME [Methyl[(tridecafluorohexyl)sulphonyl]amino]ethyl acrylate,1000 µg/mL ,MeOH,1mL, Price on request 1313.10-100-AN 1-Fluoronaphthalene, 100µg/mL, Solvent-acetonitrile, Unit 1mL, # of units-1, Cas.no. 321-38-0 Price on request 19063 EPA Method 525 - PCB Standard Price on request