Heptachlor-endo-epoxide (trans-, isomer A), 100 ng/µl, 1ml Back Catalog number: XA14102000CY Availability: In the manufacturer's stock Price on request - + Recommended 72703 Metamitron, 1000μg/ml in Acetone, 1ml Price on request 2170.20-200-T 1-/3-Nitrobenzo[e]pyrene, 200µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. 91259-16-4 / 81340-58-1 Price on request 1583.30-10MG Betulin, neat, Solvent-neat, Unit 10mg, # of units-1, Cas.no. 473-98-3 Price on request