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 70917 4-Aminoazobenzene Price on request 684709 Quinmerac, 10.0 µg/ml, Acetonitrile, 10ml Price on request 676469 Aniline, 1ml Price on request