13C LABELED PCB MIXTURE PCBS-77/101/141/178 10UG/ML IN NONANE Back Catalog number: EC-4060 Availability: In the manufacturer's stock Price on request - + Recommended I-352 Ibogaine-13C-d3, 1mg Price on request MCBS Mass-Labelled Chlorobenzene Solution/Mixture, 1.2ml, isooctane Price on request 94184 Organophosphorus Pesticides Price on request