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 C175280 (±)-Cannabichromene, 5mg Price on request 677436 6-Hydroxy-2-naphthalenesulfonic acid sodium salt h Price on request 70017 Aroclor 1232 Price on request