2,3,4-Trichloronitrobenzene, 250mg Back Catalog number: 680076 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended 35021 EPA Method 502/524 Volatile Standard 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 680566 Heptachlor-exo-epoxide, 10 µg/ml, Acetonitrile, Price on request