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 35454 Chloroacetic acid Price on request 677577 L-Valine, 250mg Price on request PN-23S 1,4,5-Trichloronaphthalene, 1.2mL x 50ug/mL, nonane Price on request