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 53097 Alternate Metals 2 Price on request 677975 Disulfoton, 100 µg/ml, Toluene, 1ml Price on request 676773 4,4'-Diaminodiphenyl sulfide, 250mg Price on request