Isophoronediamine (cis- and trans- mixture), 25ml Back Catalog number: I0228 Availability: In the manufacturer's stock Price on request - + Recommended EPA-8290STN Native Stock PCDDs and PCDFs, 1.2ml, nonane Price on request 2263.12-100-IO 2,2',5-Trichlorobiphenyl, 100 µg/mL, Solvent-Isooctane, Unit 1mL, # of units-1, Cas.no. 37680-65-2 Price on request 70856 Thidiazuron Price on request