Heptachlor, 1000µg/ml in Hexane, 1ml Back Catalog number: 79022 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended L20011200IO PCB No. 112, 10 µg/ml, 10ml Price on request 0273.24-10MG Dibenzo[a,k]fluoranthene, neat, Solvent-neat, Unit 10mg, # of units-1, Cas.no. 84030-79-5 Price on request 55009 WS Chlorate & Chlorite Price on request