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 11976.16-K-ME (±)-Pheniramine,1000 µg/mL,MeOH,1mL, Price on request 70914 Hydroquinone Price on request 98265 Discrimination PAH Standard Price on request