Heptachlor-exo-epoxide (cis-, isomer B), certified, 10mg Back Catalog number: C14101000 Availability: In the manufacturer's stock Price on request - + Recommended 10705.12-100-IO 2,2’,3,3’,4,6’-Hexachlorobiphenyl Price on request 90611 525/526 Internal Standard Price on request 8746.18-100-T 2,4,4'',6-Tetrachloro-p-terphenyl, 100µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. Price on request