Heptachlor epoxide Back Catalog number: 79050 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 2238.18-100-5AN Zearalenone, 100µg/mL, Solvent-acetonitrile, Unit 5mL, # of units-1, Cas.no. 17924-92-4 Price on request DFP-LCS-B20 Mass-Labelled PCDDs/PCDFs/PCBs Solution/Mixture, 1.2ml, nonane Price on request 2121-3-02:250G TFA; Trifluoroacetic acid, 99,9%, 250g Price on request