Heptachlor epoxide Back Catalog number: 79301 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 13400-2410-100ME5 2,5-Dinitrotoluene, 100µg/ml in MeOH, 5ml 1 190,00 Kč DF-IS-F40 Mass-Labelled PCDF Internal Standard Solution, 1.2ml, nonane Price on request 94982 PCB Congener Mix #4 Price on request