Heptachlor-endo-epoxide (trans-, isomer A), certified, 10mg Back Catalog number: C14102000 Availability: In the manufacturer's stock Price on request - + Recommended 91185 EPA Method 507Mix #7 Price on request 3471.13-100 Pendimethalin, 100µg/mL, Solvent-c.hexane or ac.nitrile, Unit 1mL, # of units-1, Cas.no. 40487-42-1 Price on request 673210 Bromacil, 10.0 µg/ml, Acetonitrile, 10ml Price on request